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Climate Smart Agriculture Influences Soil Enzymes Activity under Cereal-based Systems of North-West India

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Title Climate Smart Agriculture Influences Soil Enzymes Activity under Cereal-based Systems of North-West India
 
Identifier https://hdl.handle.net/11529/10548752
 
Creator Datta, Ashim
Choudhary, Madhu
Jat, HS
Sharma, PC
Kakraliya, SK
Dixit, Bharti
Jat, ML
 
Publisher CIMMYT Research Data & Software Repository Network
 
Description Soil enzyme activities are important indicators of changes in management practices in crop production
systems. Measurements of different soil quality parameters are essential for assessing the impact of soil and
crop management practices. Keeping this in view, an experiment was conducted to evaluate the enzyme
activities namely, dehydrogenase (DHA), β-glucosidase, acid and alkaline phosphatase, fluorescein diacetate
hydrolases (FDH), cellulase, urease and arylsulphatase in soil after 7 years of the experimentation with
same management practices. The treatments were conventional rice-wheat system (Sc1), partial conservation
agriculture (CA)-based rice-wheat-mungbean system (Sc2), partial climate smart agriculture (CSA)-based
rice-wheat-mungbean system (Sc3), partial CSA-based maize-wheat-mungbean system (Sc4), full CSAbased
rice-wheat-mungbean system (Sc5), and full CSA-based maize-wheat-mungbean system (Sc6). Soil
samples were collected before sowing, maximum tillering, flowering, and at harvest of wheat crop from
surface layer (0-15 cm soil depth). Partial CA-based system (Sc2) exhibited higher DHA activity over
others. Also DHA activity in soil was higher at maximum tillering (16%), flowering (11%) and after
harvesting (3%) in rice-based CSA systems (mean of Sc3 and Sc5) over maize-based systems (mean of Sc4
and Sc6). On average, β-glucosidase and alkaline phosphatase activity was significantly higher in soils of
maize based systems than rice based systems. On average, improved practices (CA and CSA) based
scenarios (Sc2-Sc6) recorded 15 per cent higher FDH activity over farmers’ practice/ CT (Sc1). Significant
interaction effect was observed between the managements and enzyme activities. The CSA managements
were found beneficial in improving soil enzyme activities and thereby helping in improving nutrient
cycling besides influencing other soil properties in long run.
 
Subject Agricultural Sciences
 
Language English
 
Contributor KALVANIA, Kailash Chandra