Introducing Grasslands into Crop Rotations, a Way to Restore Microbiodiversity and Soil Functions

Wassila Riah-Anglet, Elodie Cusset, Rémi Chaussod, Stéven Criquet, Marie-Paule Norini, Nathalie Cheviron, Christian Mougin, Karine Laval, Xavier Latour, Marc Legras and Isabelle Trinsoutrot-Gattin
Additional contact information
Wassila Riah-Anglet: UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, France
Elodie Cusset: UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, France
Rémi Chaussod: SEMSE, 2 Chemin du Lavoir, 21310 Viévigne, France
Stéven Criquet: Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, Campus Etoile St Jérôme, Av Escadrille Normandie Niémen-case 441-13397 Cedex 20, F-13397 Marseille, France
Marie-Paule Norini: UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, France
Nathalie Cheviron: Université Paris-Saclay, INRAE, AgroParisTech, UMR 1402 ECOSYS, Platform Biochem-Env, F-78026 Ver-sailles, France
Christian Mougin: Université Paris-Saclay, INRAE, AgroParisTech, UMR 1402 ECOSYS, Platform Biochem-Env, F-78026 Ver-sailles, France
Karine Laval: UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, France
Xavier Latour: Research Federations NORVEGE Fed4277, Normandy University, F-76821 Mont-Saint-Aignan, France
Marc Legras: UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, France
Isabelle Trinsoutrot-Gattin: UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, France

Agriculture, 2021, vol. 11, issue 10, 1-19

Abstract: The aims of this study were to investigate (i) the influence of aging grassland in the recovery of soil state by the comparison of permanent grassland, two restored grasslands, two temporary grasslands, and a continuous crop in the same pedoclimatic conditions, (ii) the extent and the persistence of the potential changes following a grassland/or cropland phase. We hypothesized that the level of microbial communities and enzyme activities could achieve a profile close to that of permanent grassland after the introduction of grassland for a few years in crop rotations. Soil biophysicochemical properties were studied. Our results indicated that the abundance of microbial communities and enzyme activities were positively correlated to soil C and N contents and negatively correlated to soil pH. The changes in microbial abundance level were strongly linked to the changes in functional level when grasslands are introduced into crop rotations. We also showed that a continuous crop regime had a stronger legacy on the soil biota and functions. By contrast, the legacy of a grassland regime changed quickly when the grassland regime is interrupted by recent culture events. A grassland regime enabled the restoration of functions after more than five cumulative years in the grassland regime.

Keywords: enzyme activities; microbial communities restoration; crop rotation; grassland; function level; grassland/cropland legacy (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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