Studies on intercropping in sweet sorghum
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Date
2008-07
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
A field experiment was conducted at Instructional Dairy Farm, Nagla, G.B. Pant University of Agriculture and Technology, Pantnagar during kharif season of 2007 to evaluate suitable intercropping system with sweet sorghum. Nine treatments [sole sweet sorghum, sole mudgaparni, sole cowpea, sweet sorghum + mudgaparni (1:1), sweet sorghum + mudgaparni (2:1), sweet sorghum + mudgaparni (2:2), sweet sorghum + cow pea (1:1), sweet sorghum + cow pea (2:1) and sweet sorghum + cow pea (2:2)] were tested in randomized block design with four replications. Intercropping mudgaparni with sweet sorghum at different row ratios was superior over cowpea. The fodder and cane yields were found significantly more due to sweet sorghum + mudgaparni at 2:2 or 2:1 row ratios. The mixed fodder quality in terms of crude protein content and dry matter digestibility was found significantly higher under sweet sorghum + cowpea (2:1) intercropping system. The quality of sweet sorghum was found better due to sweet sorghum + mudgaparni (2:2) with respect to juice content in cane and sweet sorghum + cowpea (2:2) with respect to brix, sucrose, juice purity and available sugar content of the juice. Biological advantage in terms of LER was highest due to sweet sorghum + mudgaparni intercropping system at different row ratios compared to cowpea intercropping systems, highest being under sweet sorghum + mudgaparni (2:2). The monetary advantage in terms of gross return, net return and B:C ratio was higher under sweet sorghum + mudgaparni (2:2) intercropping system followed by sweet sorghum + mudgaparni (2:1).
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