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不同施肥量对甜荞主要产量指标的影响
Different Fertilization Influence the Yield Indexes of Sweet Buckwheat on Dingxi
【摘要】 通过对定西地区甜荞不同施肥量下株高、分枝数、产量、降水利用效率等指标的综合比较认为,最佳的施肥量为:施纯N22.5kg/hm2、P2O530.46kg/hm2、K2O65.48kg/hm2,其对应株高73.4cm,分枝数4.4个,产量896.18kg/hm2,降水利用效率5.38kg/(hm2·mm)。
【Abstract】 Comparasion experiments on the different fertilization.Use the whole comparasion among the indexes such as the plant height.branch,yield and water use efficiency.We can get the conclution that the optimum getting fertilizer in Dingxi is the Urea 22.5kg/hm2.P2O5kg/hm2 and K2O4 65.48kg/hm2.And the plant height is 73.4cm.The branch is 4.4.The yield is 896.18kg/hm2.The water use efficiency is 5.38kg/hm2.mm.
【关键词】 定西地区;
甜荞;
施肥量;
产量指标;
【Key words】 Dingxi area; Sweet buckwheat; Getting fertilizer; Yield indexes;
【Key words】 Dingxi area; Sweet buckwheat; Getting fertilizer; Yield indexes;
【基金】 甘肃省科技厅中青年基金资助项目的部分内容“荞麦高产栽培技术及产业化开发途径研究”(YS-011-A21-008)
- 【文献出处】 中国农学通报 ,Chinese Agricultural Science Bulletin , 编辑部邮箱 ,2006年10期
- 【分类号】S517
- 【被引频次】17
- 【下载频次】134