Growth and yield response of mungbean (Vigna radiata L.) cultivars to varying levels of nitrogen
1999
Ayub, M. | Tanveer, A. | Choudhry, M.A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Agronomy) | Amin, M.M.Z. | Murtaza, G.
Response of two mung bean cultivars namely NM-54 and NM-92 to nitrogen levels of 0, 20, 40 and 60 kg ha-1 was studied under field conditions. The cultivar NM-92 gave significantly higher seed yield than cultivar NM-54 due to higher number of pod bearing branches plant-1, number of pods plant-1 and number of seeds pod-1. Yield and yield components were also influenced significantly by nitrogen levels. The application of nitrogen at the rate of 60 kg ha-1 significantly depressed the seed yield and yield components except number of pods plant-1 which were statistically similar with nitrogen application of 40 kg ha-1. Maximum increase in seed yield, recorded at 40 kg N ha-1, was about 31 percent higher of control. The increase in seed yield with nitrogen application was related to higher number of pods plant- 1, number of seeds pod-1 and 1000-grain weight. Protein contents were also influenced significantly by nitrogen application, being maximum (26.18%) at nitrogen level of 40 kg ha-1. Nitrogen application at the rate of 40 kg ha-1 seems to be the optimum level for harvesting higher yield of mung bean.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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