Author(s):

Usha V Satpute, VV Gabhane, DV Mali and MB Nagdeve

Abstract: A field experiment was conducted to assess the effect of mineral fertilizer and glyricidia green leaf manuring on yield and nutrient uptake by soybean in Vertisols. The soil of the experimental site was moderately alkaline in reaction, low in available nitrogen, medium in available phosphorus and high in available potassium. The nine treatments replicated thrice in randomised block design comprised of control, 100% RDF through chemical fertilizers and the combinations of 50% N through glyricidia green leaf manure and 50% N through inorganics, 25 kg K ha^-1 and seed treatment with Rhizobium and PSB. The results revealed that the application of 50% N through glyricidia +50% N through inorganics + biofertilizers + 25 kg K ha^-1 resulted in higher yield and nutrient uptake by soybean. Hence, it is concluded that combined application of glyricidia green manuring along with chemical fertilizers is beneficial for higher nutrient uptake and productivity of soybean in Vertisols under rainfed conditions.

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