alexa Abstract | Effect of the Rate of N-Fertilizer Application on Growth and Yield of Wheat (Triticum Aestivum L.) At Chencha, Southern Ethiopia


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Abstract

There is little knowledge among farmers on the rate of N-fertilizer application. Therefore, there is a need to determine optimal rate of N-fertilizer application on growth and yield of wheat. Accordingly, an experiment was conducted to evaluate the effect of the rate of N-fertilizer application on yield and yield components of wheat on two locations at Chencha, Southern Ethiopia in 2014 cropping season. The experiment consisted fiver rates (0, 23, 46, 69 and 92 k.gha-1) of N-fertilizer application were arranged in RCBD. The rate of N-fertilizer application had significantly affected days to heading and maturity, plant height, number of tiller, panicle, thousand seed weight, grain, straw and total biomass yields. But the rate of N-fertilizer had not significantly affected harvest index. N applied with the rate of 23, 46 69 and 92 kg ha-1, minimizes the date of heading by 9 days compared with control. Meantime N applied 69 kg ha-1 had contributed for 18.9 % in increments in height than no fertilizer applied/control. Fertilizer applied at the rate of 46 kg ha-1 was contributed for 27.12 % increment in spike length than N applied 92 kg ha-1, but resulted for 19.7 % reduction compared with N applied 46 kg ha-1.Generally N applied with the rate of 69 kg ha-1 had more tillers, thousand seed weight, biomass, straw and grain yield than fertilizer applied 0, 23, 46 and 120 kg ha-1.

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Author(s): Bekalu Abebe* and Mamo Manchore

Keywords

Time of fertilizer application, Rate of fertilizer, Fertilizer, Nitrogen, plant sciences and Environmental sciences

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