The Effects of Conservation Tillage on Chemical and Microbial Soil Parameters at Four Sites across Europe

TitleThe Effects of Conservation Tillage on Chemical and Microbial Soil Parameters at Four Sites across Europe
Publication TypeJournal Article
Year of Publication2022
AuthorsEngell I., Linsler D., Sandor M., Joergensen R.G, Meinen C., Potthoff M.
JournalPlants-Basel
Volume11
Pagination12
Date PublishedJul
Type of ArticleArticle
Accession NumberWOS:000824571700001
Keywordsbiomass c, carbon, compaction, long-term tillage, microbial biomass, minimum tillage, mouldboard ploughing, nitrogen, no-tillage, organic-matter, Plant Sciences, reduced tillage, resilience, shallow tillage, soil quality
Abstract

Conservation tillage is often discussed as an effective tool to improve the soil quality in agriculture. Four sites across Europe (in Germany, Romania, Spain, and Sweden) were investigated as case studies for country-specific reductions in tillage intensity. Conventional tillage (CT) by mouldboard ploughing was compared with shallow and deep non-inversion minimum tillage (MT) and/or no-tillage (NT). In Sweden, NT and MT had positive effects on the concentrations of soil organic carbon (SOC), total nitrogen (N), and microbial biomass carbon (MBC) in the upper 20 cm compared with CT. At the German site, MT increased SOC, N, and MBC concentrations in the top 10 cm. In contrast, CT increased MBC contents and bulk density between 20 and 30 cm soil depth. At the Romanian site, soil parameters showed no differences between inverse tillage (CT) and non-inverse tillage (MT), both with a working depth of 25 to 30 cm. At the Spanish site, the use of NT significantly increased the concentrations as well as the stocks of C, N, and MBC compared to CT. In conclusion, reduced tillage improved soil microbial properties in most cases. However, the effectiveness of reduced tillage appears to be highly dependent on site conditions such as pH, soil texture, and climatic conditions.

Short TitlePlants-BaselPlants-Basel
Alternate JournalPlants-Basel
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Times Cited: 0
Cited Reference Count: 77
Engell, Ilka Linsler, Deborah Sandor, Mignon Joergensen, Rainer Georg Meinen, Catharina Potthoff, Martin
Potthoff, Martin/0000-0002-1953-9968; Joergensen, Rainer Georg/0000-0002-3142-221X
Federal Ministry of Education and Research (BMBF/Germany), Development and Innovation Funding (UEFISCDI/Romania) [01LC1620]; Estonian Research Council (ETAG/Estonia); French National Research Agency; Spanish Ministry of Economy and Competitiveness (MINECO/Spain); Swedish Research Council for Environment, Agricultural Sciences & Spatial Planning (FORMAS/Sweden)
This study (grant number 01LC1620) was funded through the 2015-2016 BiodivERsA COFUND call for research proposals with the national funders Federal Ministry of Education and Research (BMBF/Germany), Development and Innovation Funding (UEFISCDI/Romania), Estonian Research Council (ETAG/Estonia), French National Research Agency (ANR/France), Spanish Ministry of Economy and Competitiveness (MINECO/Spain), Swedish Research Council for Environment, Agricultural Sciences & Spatial Planning (FORMAS/Sweden).

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Engell, I; Potthoff, M (corresponding author), Georg August Univ Goettingen, Ctr Biodivers & Sustainable Land Use, Busgenweg 1, D-37077 Gottingen, Germany.
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