Summary
This field-based study examines the influence of legume-based strip intercropping systems — including sesame–guar combinations — on soil nutrient stoichiometry, organic carbon accrual, and crop productivity. Results indicate that intercropping consistently increased SOC and total nitrogen relative to monocropping, with land equivalent ratios between 1.29 and 1.36 suggesting a meaningful yield advantage. The study contributes evidence that crop diversification through strategic intercropping can support both soil carbon sequestration and productive efficiency, with implications for climate-resilient agricultural management.
UK applicability
The study was likely conducted in a semi-arid South Asian context using crops such as sesame and guar that are not typical of UK farming systems; however, the underpinning principles regarding legume intercropping, C:N:P stoichiometry, and soil carbon management are broadly applicable to UK arable diversification strategies and policy frameworks promoting soil health under the Environmental Land Management scheme.
Key measures
Soil organic carbon (SOC); total nitrogen (TN); SOC and TN stocks; carbon management index (CMI); C:N:P stoichiometric ratios; land equivalent ratio (LER)
Outcomes reported
The study measured soil organic carbon, total nitrogen stocks, carbon management indices, and C:N:P stoichiometry under various strip intercropping systems compared to monocropping. Crop productivity was assessed via land equivalent ratio, with intercropping systems showing yield advantages over sole crops.
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