Optimum plant population is pre requisite obtain higher seed production and productivity of soybean. In this study soybean variety RSC 1046 was recorded significant higher plant population, Plant height, number of branches plant -1 dry matter accumulation plant -1 , Leaf area index plant -1 and seed yield. Crop geometry was recorded significant maximum plant population and plant height in 45×5, number of branches plant -1 and dry matter accumulation plant -1 in 45×10 leaf area index plant -1 in 45×5 and seed yield in 45×10. Interaction effect in seed yield was recorded between variety and crop geometry (cm). RSC 1046 and 45×10 show significant higher seed yield. Relationship between plant population and seed yield (kg ha -1 ) was linear with performance maximum in variety RSC 1046 and crop geometry (cm) 45×10. That results shows optimum plant population due to variety and crop geometry produce higher pre harvest parameters and yield soybean planted in ridge and furrow system. Economic as a basic effect on farmer economy due to cost of cultivation, gross return, net return and net return per rupee investment. This research was recorded varieties cost of cultivation is same but crop geometry this are changed. Higher cost of cultivation in crop geometry 45×5 and lowest in 45×30. There was gross return, net return and net return per rupee investment higher in variety RSC 1046 and lowest in CG Soya 1. Crop geometry was recorded highest gross return, net return and net return per rupee investment in 45×10 and lowest in 45×30. Economics feasibilities are important to farmer economic condition due to adopt farming system.
A field experiment was conducted during kharif season of 2015 at the Research cum Instructional Farm, Indira Gandhi Krishi Vishwavidyalaya, Raipur to evaluate the effect of foliar nutrition on uptake of nutrients and economics of Soybean [Glycine max (L.) Merrill] under Vertisols of Chhattisgarh plains. The experiment was laid out in Randomized Block Design with three replications. The results revealed that application of RDF+spray of DAP @ 2% at pod initiations stages of crop growth resulted significantly higher uptake of nutrients N, P, K, and also positive effect on micronutrients and economics compared to the application of RDF+Water spray at pod initiation stage and RDF only. It also positive effect on micronutrients in soil such as activity of microbial population, improve seed quality and oil quality of soybean through regulate nutrient during pod filling stage when the soil are not able to provide nutrients, quality parameters and nutrient uptake of soybean were significantly influenced by foliar application of nutrients at different stages of crop. The foliar application of RDF+spray of DAP @ 2% recorded significantly higher net return of ` 60,279 with. B:C ratio of 3.07. Foliar spraying with 2% DAP at flowering and at early pod development in addition to soil application of NPK fertilizer was found to be more beneficial to improve the productivity of soybean than RDF application alone. AbstractArticle History
A field experiment was conducted during Kharif season of 2015 at the Research cum Instructional Farm, Indira Gandhi Krishi Vishwavidyalaya, Raipur to evaluate the effect of foliar nutrition on economics of soybean [Glycine max (L.) Merrill] under Vertisols of Chhattisgarh plains. The experiment was laid out in Randomized Block Design with three replications. The results revealed that application of RDF + spray of DAP @ 2 percent at pod initiations stages of crop growth resulted significantly higher uptake of nutrients N, P, K, and also positive effect on micronutrients and economics compared to the application of RDF + Water spray at pod initiation stage and RDF.
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