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The Effects of Varying Nitrogen Doses Some Yield Components of Nigella Sativa L.

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Abstract (2. Language): 
This study was carried out to determine the effects of different Nitrogen doses (0, 40, 80 and 120 kg/da) on yield and some yield components of black cumin (Nigella sativa L.) in Cumra/Konya ecological conditions in 2010 and 2011. Field trials were designed by Completely Randomized Block Design with four replications at the experimental fields of Cumra Vocational High School of Sel-cuk University. In the study, plant height (cm), the number of branch (branch/plant), the number of capsule (capsule/plant), the number of seeds in the capsule (seed/capsule), thousand-seed weight (g) and seed yield (kg/ha) were determined. According to statistical analysis, significant differences were deter-mined among the nitrogen doses applications for the number of branch and thou-sand seed weight. The seed yield increased by increasing nitrogen doses then it decreased. According to the results, the highest seed yield (740 kg/ha) and thou-sand-seed weight (3.54 g) were obtained from 80 kg N/ha fertilizer application. The highest mean values for the number of capsule (8,58 capsule/plant) resulted in 80 kg N/ha application.
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