Effect of Nitrogen Fertilizer (Urea) Rate Application on Growth Performance of Potato (Solanum Tuberosum L.) on Vertisols of Central Highland of North Shewa, Ethiopia

Advances in Life Science and Technology Pub Date : 2020-04-01 DOI:10.7176/alst/80-01

Daniel Daka Godebo

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引用次数: 2

Abstract

A study was conducted to determine response of potato (Solanum Tuberosum L.) to different rates of nitrogen fertilizer (urea) applied as 0 kg/ha, 81 kg/ha 165 kg/ha and 246 kg/ha on vertisols of Debre Berhan university demonstration site which was located at central highlands(North Shewa) of Ethiopia. Treatments were arranged in RCBD design. Data was collected after 50% of plants were produced flower in which it was sampled randomly from center of plot. Application of Nitrogen Fertilizer urea 246kg/ha and 165kg/ha delayed days to flowering, increases stem length, above ground biomass, underground biomass, branch number, and stem number as compared to the control(N=0kg/ha). It was observed that application of 165 kg urea/ha is required for optimum growth and performance of potato Gorebeilla variety on Vertisols of Debre Berhan in central high lands of Ethiopia. Keywords: - Potato, gorebeilla variety, Nitrogen fertilizer, aboveground performance, underground performance, different Rate application DOI: 10.7176/ALST/80-01 Publication date: April 30 th 2020

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氮肥(尿素)施用量对埃塞俄比亚北谢瓦中部高原马铃薯生长性能的影响

在位于埃塞俄比亚中部高地(北谢瓦)的Debre Berhan大学示范基地，研究了马铃薯(Solanum Tuberosum L.)对不同氮肥(尿素)施用量(0 kg/ha、81 kg/ha、165 kg/ha和246 kg/ha)的响应。采用RCBD设计。数据采集在植株开花50%后，从地块中心随机取样。与对照(N=0kg/ha)相比，施氮246kg/ha和165kg/ha延迟了开花时间，增加了茎长、地上生物量、地下生物量、分枝数和茎数。在埃塞俄比亚中部高地，Debre Berhan的versols上施用165 kg / hm2尿素可使Gorebeilla马铃薯品种达到最佳生长和生产性能。关键词:马铃薯，小山羊品种，氮肥，地上性能，地下性能，不同速率施用DOI: 10.7176/ALST/80-01出版日期:2020年4月30日

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Advances in Life Science and Technology

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