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R. REDDI MANOJA, Y. REDDI RAMU*, N. SUNITHA, M.V.S. NAIDU AND G. PRABHAKARA REDDY
Department of Agronomy, S.V. Agricultural College, ANGRAU, Tirupati-517 502, A.P.
A field experiment conducted during kharif, 2014 at S.V. Agricultural College, dryland farm, Tirupati to know thesoil and foliar application of potassium and zinc nutrition. The present study revealed that foliar application of 1% KNO3 + 0.2% ZnSO4 at flower bud initiation and pod formation stage along with RDF i.e. 20 kg N and 50 kg P2O5 ha-1 recorded significantly higher seed yield and economic returns. Foliar application of potassium and zinc was more effective than soil application. The lower values of yield and economics were recorded with application of recommended dose of fertilizers (20-50-0 kg N, P2O5 and K2O ha-1).
Economics, Potassium, Redgram, Yield and Zinc.