The effec of levels of urea and compost on yield and yield components of Rice (Hashemi CV.) in Roudsarregion
Subject Areas : Journal of Plant Ecophysiologysarvar Alibabaei 1 , Hamid reza Doroudian 2
1 - Agronomy Dep.,Agriculture faculty, Islamic azad university, Lahijan Branch, Lahijan, Iran.
2 - Agriculture Faculty, Islsmic azad university, Lahijan, Iran.
Keywords: paddy, Nitrogen Fertilizer, integrating nutrition,
Abstract :
An experiment was conducted to evaluate the effects of different levels of Urea and compost to the yield and yield components of rice (Oryza sativa cv. Hashemi) in Roudsar city in 2015. The experimental design was split plot in a randomized complete blocks design with three replications. Experiment factors consisted of 3 levels of urea fertilizer including: control (0), 50 and 100 kg Urea/ha-1 and compost in 4 levels was including: control, 5, 10 and 20 ton ha-1. Results of Experiment showed that Urea rates had significant effect on 1000 seed weight. Compost had significant effect on plant height, number of panicle m-2, number of panicle in plant, number of grain in per panicle grain yield and 1000 seed weight. Also interaction of different levels of Urea and compost was significant on plant height, 1000 seed weight, and grain yield. Maximum rice yield (6667 kg/ha) was observed in 100 kg Urea/ha and 10 ton compost/ha, that shows it could be reduced in N fertilizer with compost usage. Integrating Urea and compost is necessary to obtain maximum yield in rice.
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