Effects of conservation tillage drills on soil quality indicators in a wheat‐oilseed rape rotation: organic carbon, earthworms and water stable aggregates

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dc.contributor.authorGiannitsopoulos, Michail
dc.contributor.authorBurgess, Paul
dc.contributor.authorRickson, R. Jane
dc.date.accessioned2019-08-13T18:01:49Z
dc.date.available2019-08-13T18:01:49Z
dc.date.issued2019-07-18
dc.description.abstractThe effects of five conservation tillage drills with crop residue levels covering between 17% and 79% of the soil, and tillage depths ranging from 25 mm to 200 mm, were examined over three years. The tillage systems ranged from a relatively disruptive Farm System to a Low Disruption system, with three intermediate treatments labelled Sumo DTS, Claydon, and Mzuri. The study involved field sites on a clay or clay loam soil, where winter wheat and oilseed rape were grown in rotation. In the clay field, the Mzuri and Low Disruption treatments, which produced the highest residue coverage, showed the greatest increase in surface total soil organic carbon (1.1 and 0.48 Mg C ha−1 respectively) between year 1 and 3. The least disruptive tillage system also resulted in the highest density of earthworms (181‐228 m−2), and the most disruptive system produced the lowest densities (75‐98 m−2). In the third year, the least disruptive system also showed a higher proportion of water stable aggregates (29.8%) than the other treatments (22.7‐25.3%). Linear regressions showed positive relationships of both soil organic carbon and earthworm density with surface residue cover, and of the proportion of water stable aggregates with soil organic carbon.en_UK
dc.identifier.citationGiannitsopoulos M, Burgess, PJ and Rickson RJ. (2020) Effects of conservation tillage drills on soil quality indicators in a wheat‐oilseed rape rotation: organic carbon, earthworms and water stable aggregates. Soil Use and Management, Volume 36, Issue 1, January 2020, pp. 139-152en_UK
dc.identifier.cris23749174
dc.identifier.issn0266-0032
dc.identifier.urihttps://doi.org/10.1111/sum.12536
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/14433
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectCultivationen_UK
dc.subjectcrop residueen_UK
dc.subjectorganic carbonen_UK
dc.subjectaggregatesen_UK
dc.titleEffects of conservation tillage drills on soil quality indicators in a wheat‐oilseed rape rotation: organic carbon, earthworms and water stable aggregatesen_UK
dc.typeArticleen_UK

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