Book of Extended summaries ISDA

20.12.2022 Views
International Conference on Reimagining Rainfed Agro-ecosystems: Challenges & Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad sustainable yield index and system productivity. The rate of change in SOC stock under different nutrient management practices was calculated, which revealed that, the rate of change was negative for control, and sole organic treated plots, while it was positive in rest of the treatments with highest build-up in INM treatments. The sustainable yield index (SYI) was higher with partial substitution of nitrogen either by farmyard manure (FYM) or gliricidia along with chemical fertilizers. Furthermore, the system productivity under treatment substitution of nitrogen either through gliricidia along with chemical fertilizers, or by farmyard manure (FYM) was 80% higher over control and 14 and 19% higher over 100% RDF, respectively. The Pearson correlation matrix between soil properties and system productivity revealed that, all the assessed soil properties were highly positively correlated with system productivity except for BD, pH and EC. Additionally, the management sensitive biological properties of soil such as, MBC, DHA, Alkaline phosphatase also had strong positive correlation with available nutrients and SOC. Sustainable soil management for resilient rainfed agro-ecosystem: conservation agriculture, organic farming, INM, soil-microorganisms-plant interactions 557 | Page

Resource conservation and rainfed agriculture Theme– 4a

Page 1 and 2: Extended Summaries 22-24 December,

Page 3 and 4: Citation Rama Rao, C.A., Srinivasa

Page 5 and 6: Resilience through land and water m

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Page 145 and 146: Theme- 2 Ecosystem based approaches



























Page 200: International Conference on Reimagi














































































































































































































































































































Page 814 and 815: Theme- 6 Institutional and policy i






























































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