Productivity and Resource Use Efficiency of different Jute based Cropping Systems under Nutrient and Crop Residue Management Practices
Abstract
To fulfill the demand of food, feed and fibre we have to think for more productive, more efficient and remunerative intensive cropping systems, which practice sustained use of natural resources. But intensive cropping systems increased the use of inputs like fertilizers, water and energy. Hence, we should think about other source of nutrients which substitute fully or partially for the nutrient requirement of crop and reduce the burden on inorganic fertilizers. A field experiment was conducted to study the effect of nutrient and crop residue incorporation on productivity jute based cropping system in split plot design during 2012-14. The main plot comprised of five cropping sequences viz., rice-rice, jute-rice-wheat, jute-rice-baby corn-jute (for leafy vegetable), jute-rice-garden pea, jute-rice-mustard-mung bean and four nutrient management practices viz. 75% recommended doses of fertilizers (RDF) with and without crop residue (rice, wheat, corn, garden pea and mung bean with their respective cropping sequence) and 100 % RDF with and without crop residue in sub plot. Jute-rice-baby corn- jute(leafy vegetable) cropping system recorded the highest system productivity (192.36q/ha) followed by jute-rice-garden pea (88.6 q/ha), water use efficiency (34.86 kg/m3), production efficiency (65.9 kg/ha/day), and economic efficiency (Rs724/ha/day) followed by jute-rice-garden pea recorded those parameter were (89.4 q/ha), 27.01 kg/m3, 30.31 kg/ha/day and Rs.346/ha/day, respectively. The land use efficacy (94.5 %) was higher in jute-rice-mustard- mungbean followed by jute-rice-baby corn-veg. jute (93.2%). The higher system productivity of all crop sequences was recorded with 100 % RDF with crop residue. However it was at par with 75% RDF with crop residue and100% RDFReferences
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