Author(s):

PT Kolekar, SS Nawale, PB Zambare and AD Kadlag

Abstract: Yield, quality and nutrient uptake of soybean as influenced by foliar sprays of water soluble fertilizers, plant growth regulators and micronutrients was assessed by conducting the field experiment during kharif, 2012 at PGI Research Farm. The experiment was laid out in randomized block design with three replications. The treatment consist of foliar sprays of 19:19:19 N, P₂O₅ and K₂O (0.5%), ZnSO₄ (0.5%), H₃BO₃ (0.5%) and NAA (50 µg mL^-1) alone and incombination with each other. Recommended dose of fertilizer (50:75:0 kg ha^-1 N and P₂O₅ + 5 t ha^-1 FYM) was applied to all the treatments. Foliar sprays of 19:19:19 (0.5%) + ZnSO₄ (0.5%) + H₃BO₃ (0.5%) at 30 and 40 DAS was recorded higher grain and straw yield (22.70 and 21.00 q ha^-1). It was at par with 19:19:19 (0.5%) + ZnSO₄ (0.5%), 19:19:19 (0.5%) + H₃BO₃ (0.5%) and ZnSO₄ (0.5%) + H­₃BO₃ (0.5%) + NAA (50 µg mL^-1) at 30 and 40 DAS for grain yield (22.00, 21.75, 22.30 and 21.50 q ha^-1, respectively). Total uptake of macro and micronutrients, protein and oil content was higher in soybean by foliar sprays of 19:19:19 (0.5%) + H₃BO₃ (0.5%) + ZnSO₄ (0.5%) at 30 and 40 DAS.

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