Different no-till grain production systems with Urochloa *** soil microbial community structure,biomass and activity in a tropical Ultisol

作     者：Matheus Emannuel Oliveira Vieira Lucas Dantas Lopes France Mario Costa Viviane Talamini Edson Patto Pacheco Marcelo Ferreira Fernandes Matheus Emannuel Oliveira Vieira;Lucas Dantas Lopes;France Mário Costa;Viviane Talamini;Edson Patto Pacheco;Marcelo Ferreira Fernandes

作者机构：PPGAGRIUniversidade Federal de SergipeAv.Marechal Rondons/n-49100-000-Sao CristovaoSEBrazil Embrapa Coastal TablelandsAv Govemador Paulo Barreto de Menezesn°3250-49025-040-AracajuSEBrazil 

出 版 物：《Soil Ecology Letters》 (土壤生态学快报（英文）)

年 卷 期：2024年第6卷第1期

页      面：119-129页

核心收录：

学科分类：09[农学] 0903[农学-农业资源与环境] 090301[农学-土壤学] 

基　　金：Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, CAPES Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq 

主　　题：crop-pasture integration crop rotation no-tillage soil health microbial ecology 

摘      要：Integrated grain cropping systems promote soil health(SH)and *** biomass and activity(MBA)and community structure(MCS)are key to *** of maize with Urochloa pastures strongly impacts MBA and *** is more sensitive than MCS to shifts in grain cropping *** under continuous Urochloa increased microbial activity and AMF *** soils are prone to *** of conservation agricultural practices is essential to improve soil health,which is influenced by soil *** this study we analyzed shifts in microbial biomass and activity(MBA)and microbial community structure(MCS)based on fatty acid methyl esthers(FAMEs)between five no-till agricultural practices:maize monoculture(MM);maize annualy intercropped with Urochloa decumbens(M/Ud);M/Ud with soybean rotation every other year(M/Ud-S);M/Ud keeping the pasture for the next two years(M/Ud-Ud-Ud);and maize intercropped with *** keeping the pasture for the next two years(M/Ur-Ur-Ur).Results indicated that MBA was affected by the inclusion of Urochloa intercropping and by rotation with *** under a longer residence time with Urochloa in the field had higherβ-glucosidase activity and soil basal respiration,indicating a greater microbial *** was less affected than MBA by the investigated cropping *** changed only in the continuous pasture systems,which were enriched in arbuscular mycorrhyzal fungi(AMF).Additionally,the continuous pasture systems had lower microbial stress ratios than the other agricultural *** sum,our study showed that utilization of Urochloa *** longer periods in no-till agricultural practices contributes to increase microbial activity,AMF abundance and decrease microbial stress *** changes are primarily beneficial for soil health.