Economical assessment of transplanting compared with direct cultivation of rapeseed in different sowing dates
In order to economical assessment of transplanting compared with direct (conventional) cultivation of rapeseed (Ahmadi variety) as check in different sowing dates, this research carried out in farm of Kermanshah agriculture and natural resources research and education center and Seed and plant improvement institute in Karaj during 2018 and 2019. Treatments of this experiment included rapeseed cultivation in 7 October as control, transplanting in two and four leaf stage on 17 October, 1 November and 11 November. In this study, for getting to economic target used Partial Budgeting Technique and Benefit cost ratio. According to the results, in Alborz and Kermanshah provinces, the mean of grain yield of rapeseed in seed cultivation in 7 October was 3495 and 4857 kg.ha-1, respectively. In Kermanshah province to Alborz province, the mean of grain yield and net income of check treatment during experimental years was increased 39 and 72.2 percent, respevtively and Net present value check treatment with discount rate 20% was increased 78.9 percent. Comparing trnsplanting treatments in target regions, transplanting planting in Alborz province to Kermanshah was more profitable. Thus,in terms of crops and economic preference, rapeseed cultivation in 7 October treatment as check treatment was selected as the best treatments in target provinces.
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