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Long-term soil quality effects of soil and crop management in organic and conventional arable cropping systems

De Notaris, Chiara; Jensen, Johannes Lund; Olesen, Jørgen E.; da Silva, Tiago Stumpf; Panagea, Ioanna; Rubæk, Gitte H. and Rasmussen, Jim (2021) Long-term soil quality effects of soil and crop management in organic and conventional arable cropping systems. Geoderma, 403, 0-0.

[thumbnail of 1-s2.0-S0016706121004638-main.pdf] PDF - Published Version - English
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Improving or maintaining soil health is crucial to support human needs, with the concept of soil quality connecting soil functions and sustainability concerns. In 2019, we assessed soil chemical, physical and biological properties in a long-term crop rotation experiment initiated in 1997 at Foulum, Denmark, with the aim of determining the long-term soil quality effects of the use of cover crops, animal manure, different crop sequences (with or without a legume-based ley) and organic vs conventional management. The concentration of soil organic carbon has been relatively stable across all treatments for 14 years prior to this investigation; in 2019, we found high aggregate stability, porosity, air permeability and pore organization in all treatments. Bulk density, air permeability and pore organization were affected to some extent by soil and crop management, with bulk density being the lowest in the organic treatment without cover crops, which had the most frequent harrowing. Earthworm density was the greatest in the organic system with grass-clover, especially following the ley year, thanks to a combination of high quality plant input and reduced soil disturbance. From a system perspective, none of the treatments investigated represented extremes, and all maintained good soil quality in the long-term. This indicates that long-term management should take into account the combination of different factors affecting soil quality.

EPrint Type:Journal paper
Keywords:Soil health Soil structural stability Soil organic C Earthworms
Agrovoc keywords:
soil health -> soil quality
earth worms -> earthworms
soil organic carbon
Subjects: Soil > Soil quality
Soil > Nutrient turnover
Environmental aspects > Biodiversity and ecosystem services
Farming Systems > Farm nutrient management
Research affiliation: Denmark > Organic RDD 5 > CCRotate
Denmark > CROPSYS
Horizon Europe or H2020 Grant Agreement Number:677407
Deposited By: De Notaris, Chiara
ID Code:42332
Deposited On:21 Sep 2021 07:21
Last Modified:06 Jun 2022 16:13
Document Language:English
Refereed:Peer-reviewed and accepted

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