An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China

Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Zhen Cao [verfasserIn] Guohui Chen [verfasserIn] Song Zhang [verfasserIn] Shangshu Huang [verfasserIn] Yan Wu [verfasserIn] Fangjin Dong [verfasserIn] Yuming Guo [verfasserIn] Jianhao Wang [verfasserIn] Fahui Jiang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	soil erosion water erosion RUSLE crop residue conservation tillage

Übergeordnetes Werk:	In: Water - MDPI AG, 2010, 15(2023), 15, p 2821
Übergeordnetes Werk:	volume:15 ; year:2023 ; number:15, p 2821

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/w15152821

Katalog-ID:	DOAJ093668406

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allfields	10.3390/w15152821 doi (DE-627)DOAJ093668406 (DE-599)DOAJ1b1ad84794ff4f7f862a7eb3ffd894d4 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Zhen Cao verfasserin aut An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest. soil erosion water erosion RUSLE crop residue conservation tillage Hydraulic engineering Water supply for domestic and industrial purposes Guohui Chen verfasserin aut Song Zhang verfasserin aut Shangshu Huang verfasserin aut Yan Wu verfasserin aut Fangjin Dong verfasserin aut Yuming Guo verfasserin aut Jianhao Wang verfasserin aut Fahui Jiang verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2821 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2821 https://doi.org/10.3390/w15152821 kostenfrei https://doaj.org/article/1b1ad84794ff4f7f862a7eb3ffd894d4 kostenfrei https://www.mdpi.com/2073-4441/15/15/2821 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2821
spelling	10.3390/w15152821 doi (DE-627)DOAJ093668406 (DE-599)DOAJ1b1ad84794ff4f7f862a7eb3ffd894d4 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Zhen Cao verfasserin aut An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest. soil erosion water erosion RUSLE crop residue conservation tillage Hydraulic engineering Water supply for domestic and industrial purposes Guohui Chen verfasserin aut Song Zhang verfasserin aut Shangshu Huang verfasserin aut Yan Wu verfasserin aut Fangjin Dong verfasserin aut Yuming Guo verfasserin aut Jianhao Wang verfasserin aut Fahui Jiang verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2821 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2821 https://doi.org/10.3390/w15152821 kostenfrei https://doaj.org/article/1b1ad84794ff4f7f862a7eb3ffd894d4 kostenfrei https://www.mdpi.com/2073-4441/15/15/2821 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2821
allfields_unstemmed	10.3390/w15152821 doi (DE-627)DOAJ093668406 (DE-599)DOAJ1b1ad84794ff4f7f862a7eb3ffd894d4 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Zhen Cao verfasserin aut An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest. soil erosion water erosion RUSLE crop residue conservation tillage Hydraulic engineering Water supply for domestic and industrial purposes Guohui Chen verfasserin aut Song Zhang verfasserin aut Shangshu Huang verfasserin aut Yan Wu verfasserin aut Fangjin Dong verfasserin aut Yuming Guo verfasserin aut Jianhao Wang verfasserin aut Fahui Jiang verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2821 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2821 https://doi.org/10.3390/w15152821 kostenfrei https://doaj.org/article/1b1ad84794ff4f7f862a7eb3ffd894d4 kostenfrei https://www.mdpi.com/2073-4441/15/15/2821 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2821
allfieldsGer	10.3390/w15152821 doi (DE-627)DOAJ093668406 (DE-599)DOAJ1b1ad84794ff4f7f862a7eb3ffd894d4 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Zhen Cao verfasserin aut An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest. soil erosion water erosion RUSLE crop residue conservation tillage Hydraulic engineering Water supply for domestic and industrial purposes Guohui Chen verfasserin aut Song Zhang verfasserin aut Shangshu Huang verfasserin aut Yan Wu verfasserin aut Fangjin Dong verfasserin aut Yuming Guo verfasserin aut Jianhao Wang verfasserin aut Fahui Jiang verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2821 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2821 https://doi.org/10.3390/w15152821 kostenfrei https://doaj.org/article/1b1ad84794ff4f7f862a7eb3ffd894d4 kostenfrei https://www.mdpi.com/2073-4441/15/15/2821 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2821
allfieldsSound	10.3390/w15152821 doi (DE-627)DOAJ093668406 (DE-599)DOAJ1b1ad84794ff4f7f862a7eb3ffd894d4 DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Zhen Cao verfasserin aut An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest. soil erosion water erosion RUSLE crop residue conservation tillage Hydraulic engineering Water supply for domestic and industrial purposes Guohui Chen verfasserin aut Song Zhang verfasserin aut Shangshu Huang verfasserin aut Yan Wu verfasserin aut Fangjin Dong verfasserin aut Yuming Guo verfasserin aut Jianhao Wang verfasserin aut Fahui Jiang verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2821 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2821 https://doi.org/10.3390/w15152821 kostenfrei https://doaj.org/article/1b1ad84794ff4f7f862a7eb3ffd894d4 kostenfrei https://www.mdpi.com/2073-4441/15/15/2821 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2821
language	English
source	In Water 15(2023), 15, p 2821 volume:15 year:2023 number:15, p 2821
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topic_facet	soil erosion water erosion RUSLE crop residue conservation tillage Hydraulic engineering Water supply for domestic and industrial purposes
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container_title	Water
authorswithroles_txt_mv	Zhen Cao @@aut@@ Guohui Chen @@aut@@ Song Zhang @@aut@@ Shangshu Huang @@aut@@ Yan Wu @@aut@@ Fangjin Dong @@aut@@ Yuming Guo @@aut@@ Jianhao Wang @@aut@@ Fahui Jiang @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
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callnumber-first	T - Technology
author	Zhen Cao
spellingShingle	Zhen Cao misc TC1-978 misc TD201-500 misc soil erosion misc water erosion misc RUSLE misc crop residue misc conservation tillage misc Hydraulic engineering misc Water supply for domestic and industrial purposes An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China
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topic_title	TC1-978 TD201-500 An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China soil erosion water erosion RUSLE crop residue conservation tillage
topic	misc TC1-978 misc TD201-500 misc soil erosion misc water erosion misc RUSLE misc crop residue misc conservation tillage misc Hydraulic engineering misc Water supply for domestic and industrial purposes
topic_unstemmed	misc TC1-978 misc TD201-500 misc soil erosion misc water erosion misc RUSLE misc crop residue misc conservation tillage misc Hydraulic engineering misc Water supply for domestic and industrial purposes
topic_browse	misc TC1-978 misc TD201-500 misc soil erosion misc water erosion misc RUSLE misc crop residue misc conservation tillage misc Hydraulic engineering misc Water supply for domestic and industrial purposes
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title	An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China
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title_full	An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China
author_sort	Zhen Cao
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author_browse	Zhen Cao Guohui Chen Song Zhang Shangshu Huang Yan Wu Fangjin Dong Yuming Guo Jianhao Wang Fahui Jiang
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title_sort	assessment of soil loss by water erosion in no-tillage and mulching, china
callnumber	TC1-978
title_auth	An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China
abstract	Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest.
abstractGer	Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest.
abstract_unstemmed	Soil erosion poses a global threat to arable land and its sustainability, particularly in China, where the most severe soil erosion exists worldwide. No-tillage (NT) and mulching (NTS) are considered the most effective soil management techniques for reducing erosion, but only 10% of the global area utilizes them. Therefore, in comparison to conventional tillage (CT), we conducted a comprehensive national assessment of NT and NTS to evaluate their impact on water erosion across China’s croplands for the period spanning 2000 to 2018, through using Revised Universal Soil Loss Equation (RUSLE); subsequently, we projected the temporal and spatial erosion distribution, and examined their effects of various underlying driving factors by using a random-forest model. Nationally, the average soil loss rates were 1085, 564, and 396 t km<sup<−2</sup< a<sup<−1</sup< for the CT, NT, and NTS, respectively, across the entire arable land over a span of 18 years. This represents a reduction of 48% and 64% in the NT and NTS, respectively, compared to CT. From 2000 to 2018, water erosion-induced soil loss exhibited a slightly increasing trend with a wavelike pattern in CT, NT, and NTS. The spatial distribution of water erosion in China’s arable land was primarily influenced by local precipitation, accounting for 45% to 52% of the total impact on CT, NT, and NTS. Additionally, the soil slope degree played a role, contributing 29% to 36% of the erosion patterns. Overall, NT and NTS demonstrated superior performance in mitigating the soil erosion in the southern regions of China, including the Central South, Southwest, and East China, owing to the substantial local rainfall and steep terrain. In contrast, NT and NTS exhibited a lower but still significant reduction in soil loss in the northern regions of China due to the flat topography and limited rainfall. However, considering the trade-off between economic losses (yield) and ecosystem benefits (erosion control), we recommend implementing NT and NTS primarily in the northern parts of China, such as the Northeast, North China, and Northwest.
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title_short	An Assessment of Soil Loss by Water Erosion in No-Tillage and Mulching, China
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