Effect of Chemical (Urea), Organic (Vermicompost) and Biological (Nitroxin) Fertilizers on Quantity and Quality Yield of Sesame (Sesamum indicum L.)

Document Type : Research Paper

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Abstract

In order to study the effect of nitrogen, vermicompost and nitroxin biofertilizer on quantity and quality yield of Sesame, a field experiment was carried out at Behbahan in summer of 2009. Treatments were arranged in a factorial experiment based on RCBD with three replications. Three rates of nitrogen fertilizer (50, 75 and 100% of region recommended nitrogen rate, equals to 25, 37.5 and 50 kg/ha nitrogen from  urea, respectively) as a first factor, three rates of vermicompost (0, 5 and 10 t/ha) as a second factor and two levels of nitroxin biofertilizer application (seed inoculation and non inoculation) as a third factor, were used. Results showed that treatments had a significant effect on yield and yield components of sesame. Nitroxin application increased grain yield 8.5 percent. Interaction of nitrogen and vermicompost showed that the most grain yield (1352 kg/ha) was obtained with applying the 10 t/ha vermicompost with 37/5 kg/ha of nitrogen rate while the lowest grain yield (947 kg/ha) obtained from without vermicompost treatment with 25 kg/ha of nitrogen rate. The highest oil percent (45%) obtained with application of 37/5 kg/ha nitrogen with 10 t/ha vermicompost and the lowest of it (40 %) obtained in 50 kg/ha nitrogen with 10 t/ha Vermicompost. The oil percentage in 50 kg/ha nitrogen treatment, vermicompost application and Nitroxin inoculation decreased the significantly. By increasing nitrogen fertilizer, vermicompost and nitroxin, protein yield and percentage increased significantly.

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