Green Global
Foundation Journal
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SUSTAINABLE CROP PRODUCTION RETAINING SOIL FERTILITY AND ENVIRONMENT THROUGH MUSTARD-MUNGBEAN-T.AMANCROPPING PATTERN (Pages : 10 - 14)
M. H. R. SHEIKH, M. S. KHAN, A. HANNAN, A. HUDA and M. T. RAHMANA field experiment on sustainable crop production retaining soil fertility and environment through Mustard- Mungbean-T.aman cropping pattern was conducted during the period of 2008-09 in High Ganges River Floodplain Soils (AFZ-11) of Ishurdi to find out sustainable fertilizer doses for Mustard-Mungbean-T.aman cropping pattern, to monitor soil health, to estimate uptake of different nutrients and make a balance sheet for each nutrient. There were three levels each of N (80, 120 and 160 kg/ha), P (18, 36 and 54 kg/ha) and K (35, 70 and 105 kg/ha) in the treatment combinations. The combined effect of 120- 36-70-40-3-1 kg/ha of NPKSZnB (T2) produced highest grain yield of mustard. While the residual effect of (T2), application of 25 kg N and 10 kg P per hectare for Mungbean and 120-36-70-10 kg/ha of NPKS (T2) for T.aman gave the highest yield of both grain and straw weight of Mungbean and T.aman. Soil fertility status was improved due to addition of biomass from mungbean in the pattern and residual effect of chemical fertilizers from different treatments. The soil pH, organic matter, total N, P, S, Zn and B content of soil was increased. But more K is to be added to soil to improve the K content of the soil. Highest marginal rate of return (1560 %) was obtained also from T2 along with the gross margin Tk.1,56,736/ha/yr. Download