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Paper Details

Effect of rate and time of nitrogen application on seed yield, quality and economics of cumin (Cuminum cyminum L.) under loamy sand soils

R.D. BEDSE*, A.U. AMIN, C.H. RAVAL AND S.J. VAGHELA

Journal Title:International Journal of Agricultural Sciences
Abstract


A field experiment was conducted at Agronomy Instructional Farm, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar during Rabi season of 2008-09 wherein twenty treatment combinations comprising of four levels of nitrogen (20, 30, 40 and 50 kg ha-1) and five times of nitrogen application i.e., 50 per cent as basal + 50 per cent at 30 DAS, 25 per cent as basal + 25 per cent at 8-10 DAS + 50 per cent at 30 DAS, 33 ? per cent as basal + 33 ? per cent at 8-10 DAS + 33? per cent at 30 DAS, 50 per cent at 8-10 DAS + 50 per cent at 30 DAS and 33 per cent at 8-10 DAS + 33 per cent at 30 DAS + 33 ? per cent at 50 DAS were tested. Crop fertilized with 50 and 40 kg N ha-1 recorded statistically at par seed yield but significantly higher than the lower levels of nitrogen. Increasing levels of nitrogen improved protein and oil content in the seed. Similar trend was observed in case of uptake of N and P by the crop as well as for buildup of N status of soil with increasing N levels. Application of nitrogen in three equal splits at 8-10, 30 and 50 DAS recorded maximum seed yield, but in case of quality parameters, nitrogen and phosphorus uptake by crop as well as available nitrogen content in soil it remained at par with application of nitrogen in two equal splits at 8-10 and 30 DAS. The package involving 50 kg N ha-1 applied in three equal splits at 8-10, 30 and 50 DAS was found more remunerative

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