Residual Effect of Direct Seeded and Transplanted Rice, Nutritional Approaches and Slow Release Nitrogen Sources on the Growth Parameters of Blackgram Crop
Ashna Susan Joseph *
Department of Soil Science & Agricultural Chemistry, University of Agricultural Sciences, Raichur, Karnataka, India.
M. V. Ravi
Department of Soil Science & Agricultural Chemistry, University of Agricultural Sciences, Raichur, Karnataka, India.
K. Narayana Rao
Department of Soil Science & Agricultural Chemistry, University of Agricultural Sciences, Raichur, Karnataka, India.
S. N. Bhat
Department of Soil Science & Agricultural Chemistry, University of Agricultural Sciences, Raichur, Karnataka, India.
Y. M. Ramesh
Department of Agronomy, University of Agricultural Sciences, Raichur, Karnataka, India.
H. Sharanagouda
Department of Processing and Food Engineering, University of Agricultural Sciences, Raichur, Karnataka, India.
*Author to whom correspondence should be addressed.
Abstract
A study was conducted on nutrient management approaches in rice-blackgram cropping system under different ecosystems. The growth parameters were recorded at 30 DAS, 60 DAS and at harvest of blackgram crop. The results indicated that the plant height and number of branches had increased linearly as the crop attained maturity. The three way interaction of ecosystem, nutritional approaches and N sources (M x N x S) had proved that significantly taller plants 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) at all stages of crop growth and number of branches at 60 DAS and at harvest.
Keywords: Transplanted rice, SSNM, neem coated urea, plant height, number of branches
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References
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