The present study has attempted a detailed analysis of papaya fruit by studying its value chain map, establishment cost, cost and returns were important researchable issue for the said crop in kalaburagi district in Karnataka State. The findings reveal that, in value chain, farmers, pre-contactors, distributors, wholesalers and retailers will perform muti-task function in the system. Each of these stakeholders appends value during the movement of produce from one person to other in the consumption pattern system. The findings related to cost and returns, the year-wise analysis indicated that in the first year, the total cost for establishment was found to be Rs. 85225 in Papaya plantation followed by second year Rs.65432. The average of two years will be to the tune of Rs.65432 per acre. The per acre establishment cost accounted to Rs. 85225 of which the material cost constituted 78.37 percent to the total cost of establishment followed by human labour (19.64 per cent). The per acre cost of cultivation of Papaya was worked out to be Rs.65432, out of which the total variable cost share was Rs.45643 (69.75 percent) and total fixed cost was found to be Rs.19789 (30.25 per cent) to the total cost. total average cost for two years incurred in cultivation was found to be Rs.105328 and farmers obtain average net income of Rs.218247 per acre and the findings also revealed that the farmers the return on per rupee invested at total cost amounted to Rs.2.26 and 1.90 during first and second year respectively.
A field experiment was conducted during kharif season of 2019 to assess the Effect of brown manuring and different levels of nutrients on growth and yield attributes of aerobic rice (Oryza sativa L.) at Crop Research Centre, Dr Rajendra Prasad Central Agricultural University, Pusa, Bihar. This experiment was conducted in randomized block design (factorial) with sixteen treatment combinations replicated thrice using the rice variety “Abhishek” as a test crop which was planted with a spacing of 20 cm row to row, with the seed rate of 40 kg ha-1. The experimental results indicated that higher values of growth parameters viz. Plant height (109cm), tillers/m2 (355), dry matter production (969g/m2) and crop growth rate (12.2g/m2/day) were observed in rice + brown manuring treatment (B2) as compared to rice without brown manuring (B1) at harvest. While among the nutrient levels, treatment F8- 70 kg/ha phosphorous and 50 kg/ha potassium as split recorded significantly higher growth parameters (tillers/m2, dry matter production and crop growth rate), yield attributes (panicles/m2, grains/panicle), grain yield, while remaining at par with treatment F4 -60 kg/ha phosphorous and 50 kg/ha potassium as split. However, the interaction effect of both the factors did not significantly influence any of the parameters. Further the Aerobic rice cultivation save 40-45 per cent of water as compared to low land cultivation of rice.
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