6/13/2023 0 Comments Mint to be sub indoSignificant improvements in structural stability and nitrogen availability were detected in all the treatments compared to the control. About 6% (−2 to+14) of the C added in crop residues and green manure were stabilized in the soil. Soil C stock decreased significantly with increased in soil depth 0–15 cm to 15–30 and 30–45 cm. However, it increased with balanced use of NPK inputs. Twenty years of cultivation caused a decrease in SOC only in control soils, which received no manure and fertilizer. Estimates of stabilization of SOC in different pools and a tentative C budget were also developed. We studied the long-term (20 years) influence of a wheat-mint- Sesbania cropping system on the SOC stock. It plays a significant role in maintaining soil quality, plant productivity and mitigating greenhouse gas emission. Soil organic carbon (SOC) is accumulated or depleted as a result of cropping and management strategies.
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