| 施肥对紫花苜蓿粗蛋白含量的影响 |
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| 引用本文： | 陈玉福,田丰. 施肥对紫花苜蓿粗蛋白含量的影响[J]. 青海大学学报, 2007, 25(4): 55-58 |
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| 作者姓名： | 陈玉福 田丰 |
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| 作者单位： | 青海大学研究生部,青海,西宁,810016;青海大学农牧学院,青海,西宁,810003 |
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| 摘 要： | 采用四因素二次通用旋转组合设计研究氮,磷,钾,硫(N,P,K,S)的肥施用效果。结果表明:在大通长宁地区获得紫花苜蓿粗蛋白含量最高的N、P、K、S肥施用量的最优组合为尿素300 kg/hm2,过磷酸钙225 kg/hm2,加拿大钾肥225 kg/hm2,硫磺粉15 kg/hm2,结合播种前整地施入。
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| 关 键 词： | 紫花苜蓿 肥料 粗蛋白含量 |
| 文章编号： | 1006-8996（2007）04-0055-04 |
| 修稿时间： | 2007-03-27 |
Effects of fertilizer application on crude protein content of lucerne |
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| CHEN Yu-fu,TIAN Feng. Effects of fertilizer application on crude protein content of lucerne[J]. Journal of Qinghai University(Natural Science), 2007, 25(4): 55-58 |
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| Authors: | CHEN Yu-fu TIAN Feng |
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| Affiliation: | 1. Graduate Department, Qinghai University, Xining 810016, China ;2. College of Agriculture and Animal Husbandry, Qinghai University, Xining 810003, China |
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| Abstract: | A 4-factor quadratic convolution design was used to determine the effects of N,P,K and S fertilizer application on crude protein content of lucerne in Changning,Datong,Qinghai.The results showed the optimal combination of different fertilizers was urea 300 kg ha-1 calcium superphosphate 225 kg ha-1 potassium compounds 225 kg ha-1 sulfurl5 kg ha-1. |
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| Keywords: | lucerne fertilizer application crude protein content |
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