Influence of Different Sources of Phosphorus on Productivity and Profitability on Greengram (Vigna radiata L.)
Deepak Kumar *
Department of Agriculture, Galgotias University, Greater Noida, Uttar Pradesh 203201, India.
Nida Abdulrashid Patel
Division of Agronomy, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology - Jammu, Main Campus, Chatha - 180009, Jammu and Kashmir, India.
Monika Menia
Department of Agricultural Sciences, DAV University, Jalandhar, Punjab, India.
Ranjeet Singh Bochalya
M.S. Swaminathan School of Agriculture, Shoolini University of Bio-Technology and Management, Solan, H.P, 173229, India.
Swati Mehta
Division of Agronomy, Faculty of Agriculture, Sher-e-Kashmir University of Agricultural Sciences and Technology - Jammu, Main Campus, Chatha - 180009, Jammu and Kashmir, India.
*Author to whom correspondence should be addressed.
Abstract
A field experiment was conducted during the kharif season of 2014 at Crop Research Farm, Department of Agronomy, SHIATS, Allahabad, UP to evaluate the influence of different sources of phosphorus on productivity and profitability on Greengram. The experiment was conducted in randomized block design with 9 treatments viz. Control (No Phosphorus, 100% P through SSP, 100% P through URP, 50% P through SSP + 50% P through URP, 75% P through SSP + 25% P through URP, 100% P through SSP + PSB inoculation, 100% P through URP + PSB inoculation, 50% P through SSP + 50% P through URP + PSB inoculation, 75% P through SSP + 25% P through URP + PSB inoculation. greengram variety Samrat was sown at a spacing of 30cm x 10 cm and it was fertilized with Phosphorus, SSP, URP, PSB as per the requirement of the treatments. The experimental results revealed that application of 100% P through SSP + PSB seed inoculation produced significantly higher no. of pods plant-1 (31.53), no. of grains pod-1 (12.8), test weight (44 g), grain yield (1496.77 kg ha-1), Stover yield (2920 kg ha-1) and protein (24.06 %). Further, it was revealed that application of 100% P through SSP + PSB recorded 32.45% higher grain yield as compared to control. Among the economics, application of 100% P through SSP + PSB seed inoculation recorded higher gross return (Rs 71766.82 ha-1), net returns (Rs 47002.17 ha-1) and Benefit Cost (1.89). Thus, application of 100% P through SSP + PSB seed inoculation) was found to be most promising treatment in enhancing the yield in Greengram.
Keywords: Single super phosphate, Udaipur rock phosphate, PSB, green gram
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References
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