Effects of Different Rice Ecosystems, Nutritional Approaches and Nitrogen Sources on the Yield and Yield Parameters of Blackgram (Vigna mungo)
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Abstract
A study was conducted on nutrient management approaches in rice-blackgram cropping system under different ecosystems at the Agricultural Research Station, Dhadesugur, University of Agricultural Sciences, Raichur. The dry matter production parameters were recorded at 30 DAS, 60 DAS and at harvest and yield parameters, seed yield and haulm yield were recorded at harvest of blackgram crop. The results indicated that the DMP, number of pods per plant, number of seeds per pod, 1000 seed weight seed yield and haulm yield had increased with the residual effect of nutrients and nutritional approaches. The three way interaction of ecosystem, nutritional approaches and N sources (M x N x S) had proved that significantly higher DMP, number of pods per plant, number of seeds per pod, 1000 seed weight, seed yield and haulm yield of blackgram were associated with the residual effect of transplanted soils which possessed neem coated urea based on SSNM for yield target of 7 t ha-1 (M2N4S2).