Journal ArticleOpen Access
Temporal changes in soil microbial properties and nutrient dynamics under climate smart agriculture practices
Authors
Author Affiliations
International Maize and Wheat Improvement Center, Central Soil Salinity Research Institute, New York State College of Agriculture & Life Sciences
Published InSoil and Tillage Research
Year2020
Citations72
Abstract
Climate smart agriculture (CSA) practices are emerging as sustainable alternative to conventional rice-wheat system to pull up natural resources degradation across south Asia. After five years of continuous CSA based experiment, a two years study was conducted to evaluate changes in microbial biomasses (microbial biomass carbon and nitrogen), enzyme activities (alkaline phosphatase, dehydrogenase and β-glucosidase), nutrient release and uptake (N, P and K) at different wheat crop growth stages. Effect of CSA practices was also studied for carbon mineralization in an incubation experiment. Four scenarios (Sc) were included in this study- conventional tillage (CT) based rice-wheat system (Sc1), partial CSA based rice-wheat-mungbean system (Sc2), full CSA based rice-wheat-mungbean system (Sc3), and full CSA based maize-wheat-mungbean system (Sc4). Soil samples were…
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