The long-term changes in soil organic matter contents and quality in Chernozems

For the purposes of assessment of long-term changes, two sets of Chernozems soil samples were analysed and compared in parallel: 'old' file samples obtained during the Soil Survey 1960-1970 in the former Czechoslovakia and a 'present' (2013) set of samples from exactly the same s...
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Autor*in:	Jan HORÁČEK [verfasserIn] Pavel NOVÁK [verfasserIn] Peter LIEBHARD [verfasserIn] Eduard STROSSER [verfasserIn] Mária BABULICOVÁ [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	soil organic matter quantity and quality; soil organic matter changes in time organic substances

Übergeordnetes Werk:	In: Plant, Soil and Environment - Czech Academy of Agricultural Sciences, 2010, 63(2017), 1, Seite 8-13
Übergeordnetes Werk:	volume:63 ; year:2017 ; number:1 ; pages:8-13

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.17221/274/2016-PSE

Katalog-ID:	DOAJ082824312

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callnumber-first	S - Agriculture
author	Jan HORÁČEK
spellingShingle	Jan HORÁČEK misc SB1-1110 misc soil organic matter quantity and quality; soil organic matter changes in time misc organic substances misc Plant culture The long-term changes in soil organic matter contents and quality in Chernozems
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topic_title	SB1-1110 The long-term changes in soil organic matter contents and quality in Chernozems soil organic matter quantity and quality; soil organic matter changes in time organic substances
topic	misc SB1-1110 misc soil organic matter quantity and quality; soil organic matter changes in time misc organic substances misc Plant culture
topic_unstemmed	misc SB1-1110 misc soil organic matter quantity and quality; soil organic matter changes in time misc organic substances misc Plant culture
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title	The long-term changes in soil organic matter contents and quality in Chernozems
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title_full	The long-term changes in soil organic matter contents and quality in Chernozems
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title_sort	long-term changes in soil organic matter contents and quality in chernozems
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title_auth	The long-term changes in soil organic matter contents and quality in Chernozems
abstract	For the purposes of assessment of long-term changes, two sets of Chernozems soil samples were analysed and compared in parallel: 'old' file samples obtained during the Soil Survey 1960-1970 in the former Czechoslovakia and a 'present' (2013) set of samples from exactly the same sites as the archive samples. The recently collected samples revealed worse qualitative parameters (lower humic acid to fulvic acid (HA/FA) ratios and higher colour quotient Q4/6 values) than the file samples, for all the localities. On the other side, the quantitative soil organic matter (SOM) parameters (oxidizable carbon (Cox) and all its determined components) showed contrary results. The amount of total SOM at the same sites is higher now than it was about 50 years ago. It can be concluded that the current decline in SOM quality in Chernozems is partly compensated for by higher accumulation of SOM in the soils. All the analysed Chernozem samples were found to have much worse qualitative SOM parameters than the values mentioned for this soil type in the older literature. However, a comparison of the current data and the file data of Chernozem SOM quality can still be considered an open issue and require more complex research.
abstractGer	For the purposes of assessment of long-term changes, two sets of Chernozems soil samples were analysed and compared in parallel: 'old' file samples obtained during the Soil Survey 1960-1970 in the former Czechoslovakia and a 'present' (2013) set of samples from exactly the same sites as the archive samples. The recently collected samples revealed worse qualitative parameters (lower humic acid to fulvic acid (HA/FA) ratios and higher colour quotient Q4/6 values) than the file samples, for all the localities. On the other side, the quantitative soil organic matter (SOM) parameters (oxidizable carbon (Cox) and all its determined components) showed contrary results. The amount of total SOM at the same sites is higher now than it was about 50 years ago. It can be concluded that the current decline in SOM quality in Chernozems is partly compensated for by higher accumulation of SOM in the soils. All the analysed Chernozem samples were found to have much worse qualitative SOM parameters than the values mentioned for this soil type in the older literature. However, a comparison of the current data and the file data of Chernozem SOM quality can still be considered an open issue and require more complex research.
abstract_unstemmed	For the purposes of assessment of long-term changes, two sets of Chernozems soil samples were analysed and compared in parallel: 'old' file samples obtained during the Soil Survey 1960-1970 in the former Czechoslovakia and a 'present' (2013) set of samples from exactly the same sites as the archive samples. The recently collected samples revealed worse qualitative parameters (lower humic acid to fulvic acid (HA/FA) ratios and higher colour quotient Q4/6 values) than the file samples, for all the localities. On the other side, the quantitative soil organic matter (SOM) parameters (oxidizable carbon (Cox) and all its determined components) showed contrary results. The amount of total SOM at the same sites is higher now than it was about 50 years ago. It can be concluded that the current decline in SOM quality in Chernozems is partly compensated for by higher accumulation of SOM in the soils. All the analysed Chernozem samples were found to have much worse qualitative SOM parameters than the values mentioned for this soil type in the older literature. However, a comparison of the current data and the file data of Chernozem SOM quality can still be considered an open issue and require more complex research.
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title_short	The long-term changes in soil organic matter contents and quality in Chernozems
url	https://doi.org/10.17221/274/2016-PSE https://doaj.org/article/dbf1dae78fc647d487486a96e7c10c9f https://pse.agriculturejournals.cz/artkey/pse-201701-0002_the-long-term-changes-in-soil-organic-matter-contents-and-quality-in-chernozems.php https://doaj.org/toc/1214-1178 https://doaj.org/toc/1805-9368
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The long-term changes in soil organic matter contents and quality in Chernozems

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