Vol. 7, Issue 9, Part I (2025)

A field experiment was carried out during Rabi 2020-21 at S.V. Agricultural College, Tirupati, Andhra Pradesh, to evaluate the effect of intercropping and nutrient management on nutrient uptake by sweet corn and the post-harvest soil nutrient status. The experiment was conducted on sandy clay loam soils under a split-plot design with three replications. Treatments included three intercropping systems: sweet corn + knol khol (I₁), sweet corn + radish (I₂) and sweet corn + onion (I₃), along with four nutrient levels: 100% recommended dose of fertilizer (RDF) to sweet corn alone (N₁), 100% RDF to sweet corn + 75% RDF to intercrop (N₂), 100% RDF to sweet corn + 50% RDF to intercrop (N₃) and 100% RDF to sweet corn + 25% RDF to intercrop (N₄). Results indicated that sweet corn + knol khol (I₁) along with 100% RDF to sweet corn + 75% RDF to intercrop (N₂) recorded significantly higher N, P and K uptake. Post-harvest soil available nutrients were comparatively higher with sweet corn + radish (I₂) and nutrient management through N₂.