Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas
Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic...
Ausführliche Beschreibung
Autor*in: |
He, Yanzi [verfasserIn] |
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Englisch |
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2023 |
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Anmerkung: |
© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Übergeordnetes Werk: |
Enthalten in: Journal of soils and sediments - Berlin : Springer, 2001, 23(2023), 9 vom: 06. Juni, Seite 3384-3395 |
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Übergeordnetes Werk: |
volume:23 ; year:2023 ; number:9 ; day:06 ; month:06 ; pages:3384-3395 |
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DOI / URN: |
10.1007/s11368-023-03538-3 |
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SPR05279203X |
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520 | |a Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. | ||
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700 | 1 | |a Tian, Zhiyuan |4 aut | |
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700 | 1 | |a Liang, Yin |4 aut | |
700 | 1 | |a Zhu, Xuchao |4 aut | |
700 | 1 | |a Qu, Lili |4 aut | |
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10.1007/s11368-023-03538-3 doi (DE-627)SPR05279203X (SPR)s11368-023-03538-3-e DE-627 ger DE-627 rakwb eng He, Yanzi verfasserin aut Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. Soil amendments (dpeaa)DE-He213 Soil column experiment (dpeaa)DE-He213 Water infiltration (dpeaa)DE-He213 Nutrient leaching (dpeaa)DE-He213 Wetting front migration (dpeaa)DE-He213 Tian, Zhiyuan aut Ma, Rui aut Liang, Yin aut Zhu, Xuchao aut Qu, Lili aut Enthalten in Journal of soils and sediments Berlin : Springer, 2001 23(2023), 9 vom: 06. Juni, Seite 3384-3395 (DE-627)373325134 (DE-600)2125896-X 1614-7480 nnns volume:23 year:2023 number:9 day:06 month:06 pages:3384-3395 https://dx.doi.org/10.1007/s11368-023-03538-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_183 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 23 2023 9 06 06 3384-3395 |
spelling |
10.1007/s11368-023-03538-3 doi (DE-627)SPR05279203X (SPR)s11368-023-03538-3-e DE-627 ger DE-627 rakwb eng He, Yanzi verfasserin aut Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. Soil amendments (dpeaa)DE-He213 Soil column experiment (dpeaa)DE-He213 Water infiltration (dpeaa)DE-He213 Nutrient leaching (dpeaa)DE-He213 Wetting front migration (dpeaa)DE-He213 Tian, Zhiyuan aut Ma, Rui aut Liang, Yin aut Zhu, Xuchao aut Qu, Lili aut Enthalten in Journal of soils and sediments Berlin : Springer, 2001 23(2023), 9 vom: 06. Juni, Seite 3384-3395 (DE-627)373325134 (DE-600)2125896-X 1614-7480 nnns volume:23 year:2023 number:9 day:06 month:06 pages:3384-3395 https://dx.doi.org/10.1007/s11368-023-03538-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_183 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 23 2023 9 06 06 3384-3395 |
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10.1007/s11368-023-03538-3 doi (DE-627)SPR05279203X (SPR)s11368-023-03538-3-e DE-627 ger DE-627 rakwb eng He, Yanzi verfasserin aut Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. Soil amendments (dpeaa)DE-He213 Soil column experiment (dpeaa)DE-He213 Water infiltration (dpeaa)DE-He213 Nutrient leaching (dpeaa)DE-He213 Wetting front migration (dpeaa)DE-He213 Tian, Zhiyuan aut Ma, Rui aut Liang, Yin aut Zhu, Xuchao aut Qu, Lili aut Enthalten in Journal of soils and sediments Berlin : Springer, 2001 23(2023), 9 vom: 06. Juni, Seite 3384-3395 (DE-627)373325134 (DE-600)2125896-X 1614-7480 nnns volume:23 year:2023 number:9 day:06 month:06 pages:3384-3395 https://dx.doi.org/10.1007/s11368-023-03538-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_183 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 23 2023 9 06 06 3384-3395 |
allfieldsGer |
10.1007/s11368-023-03538-3 doi (DE-627)SPR05279203X (SPR)s11368-023-03538-3-e DE-627 ger DE-627 rakwb eng He, Yanzi verfasserin aut Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. Soil amendments (dpeaa)DE-He213 Soil column experiment (dpeaa)DE-He213 Water infiltration (dpeaa)DE-He213 Nutrient leaching (dpeaa)DE-He213 Wetting front migration (dpeaa)DE-He213 Tian, Zhiyuan aut Ma, Rui aut Liang, Yin aut Zhu, Xuchao aut Qu, Lili aut Enthalten in Journal of soils and sediments Berlin : Springer, 2001 23(2023), 9 vom: 06. Juni, Seite 3384-3395 (DE-627)373325134 (DE-600)2125896-X 1614-7480 nnns volume:23 year:2023 number:9 day:06 month:06 pages:3384-3395 https://dx.doi.org/10.1007/s11368-023-03538-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_183 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 23 2023 9 06 06 3384-3395 |
allfieldsSound |
10.1007/s11368-023-03538-3 doi (DE-627)SPR05279203X (SPR)s11368-023-03538-3-e DE-627 ger DE-627 rakwb eng He, Yanzi verfasserin aut Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. Soil amendments (dpeaa)DE-He213 Soil column experiment (dpeaa)DE-He213 Water infiltration (dpeaa)DE-He213 Nutrient leaching (dpeaa)DE-He213 Wetting front migration (dpeaa)DE-He213 Tian, Zhiyuan aut Ma, Rui aut Liang, Yin aut Zhu, Xuchao aut Qu, Lili aut Enthalten in Journal of soils and sediments Berlin : Springer, 2001 23(2023), 9 vom: 06. Juni, Seite 3384-3395 (DE-627)373325134 (DE-600)2125896-X 1614-7480 nnns volume:23 year:2023 number:9 day:06 month:06 pages:3384-3395 https://dx.doi.org/10.1007/s11368-023-03538-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_183 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 23 2023 9 06 06 3384-3395 |
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Enthalten in Journal of soils and sediments 23(2023), 9 vom: 06. Juni, Seite 3384-3395 volume:23 year:2023 number:9 day:06 month:06 pages:3384-3395 |
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Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Soil amendments</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Soil column experiment</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Water infiltration</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Nutrient leaching</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Wetting front migration</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tian, Zhiyuan</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ma, Rui</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liang, Yin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhu, Xuchao</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Qu, Lili</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of soils and sediments</subfield><subfield code="d">Berlin : Springer, 2001</subfield><subfield code="g">23(2023), 9 vom: 06. 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author |
He, Yanzi |
spellingShingle |
He, Yanzi misc Soil amendments misc Soil column experiment misc Water infiltration misc Nutrient leaching misc Wetting front migration Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas |
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Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas Soil amendments (dpeaa)DE-He213 Soil column experiment (dpeaa)DE-He213 Water infiltration (dpeaa)DE-He213 Nutrient leaching (dpeaa)DE-He213 Wetting front migration (dpeaa)DE-He213 |
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misc Soil amendments misc Soil column experiment misc Water infiltration misc Nutrient leaching misc Wetting front migration |
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misc Soil amendments misc Soil column experiment misc Water infiltration misc Nutrient leaching misc Wetting front migration |
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Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas |
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Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas |
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He, Yanzi |
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He, Yanzi Tian, Zhiyuan Ma, Rui Liang, Yin Zhu, Xuchao Qu, Lili |
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10.1007/s11368-023-03538-3 |
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effects of superabsorbent polymers (saps) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas |
title_auth |
Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas |
abstract |
Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
abstractGer |
Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
abstract_unstemmed |
Purpose Soil water and nutrients are easily lost from tailings in rare earth mining areas, resulting in slow plant restoration and limited remediation effects. The present study was conducted to explore the remediation effect of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizers on the retention capacity of soil water and nutrients in rare earth mining areas. Materials and methods In this experiment, five treatments were established: the control (CK), 0.4% SAPs (S), a mixture of 8% organic fertilizer, 0.2% urea, and 1% minerals (F), and mixtures of F with 0.2% SAPs (FS1) and 0.4% SAPs (FS2). The processes of water infiltration, wetting front migration, and water leaching, the pH value and total nitrogen (TN), total phosphorus (TP), and total potassium (TK) contents in the leachate and the water content, pH value, and bulk density (BD) in the soil column were measured. Results and discussion The results showed that all amendments significantly reduced soil infiltration and the migration of the wetting front, with decrease rates of 46.39–58.76% and 31.43–54.29%, respectively. Among them, the greatest significant delay in water infiltration in the initial period was observed in the FS1 treatment. A similar effect was found in the leaching process after 50 or 80 days of incubation, after which the leachate volume was reduced by 10.11–23.61% for the FS1 treatment. The soil water content also significantly improved, and greater effects were found in the F, FS1, and FS2 treatments, where the contents increased by 0.49–29.61%. Fertilizer addition increased soluble soil nutrients, resulting in increased TN, TP, and TK contents and a decrease in the pH value of the leachate. Nutrient loss and acidification were alleviated in the FS1 and FS2 treatments due to mixing with SAPs, with reductions of 2.00–34.21% and 2.27–6.82%, respectively. In addition, adding SAPs (in the S, FS1, and FS2 treatments) alleviated soil compaction and decreased the BD. Conclusion Our findings indicated that SAPs incorporated with organic and inorganic fertilizers could increase soil fertility and enhance the soil retention capacity of soils for water and nutrients, thus providing a promising reference for the positive phytoremediation effects of this method. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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title_short |
Effects of superabsorbent polymers (SAPs) incorporated with organic and inorganic fertilizer on the water and nutrient retention of soil in rare earth mine tailing areas |
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https://dx.doi.org/10.1007/s11368-023-03538-3 |
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Tian, Zhiyuan Ma, Rui Liang, Yin Zhu, Xuchao Qu, Lili |
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score |
7.4007063 |