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当前位置: 首页 > 文章 > 正交设计在优化杂交谷施肥量上的应用 山西农业科学 2014,42 (1) 43-47
Position: Home > Articles > Application of Orthogonal Design in Fertilizer Application Experiments of Hybrid Millet Journal of Shanxi Agricultural Sciences 2014,42 (1) 43-47

正交设计在优化杂交谷施肥量上的应用

作  者：
聂萌恩;郭平毅;杨艳君;原向阳;宁娜;郭俊
单  位：
山西农业大学农学院
关键词：
杂交谷;正交设计;出苗率;叶绿素含量;施肥条件
摘  要：
采用三因素三水平正交设计方法,选择正交设计表L9(3)4,研究施氮量、施磷量、施钾量三因素对杂交谷生长发育的影响。结果表明,施氮量、施磷量因素对杂交谷出苗率及叶绿素含量均有极显著的影响(P<0.01);施钾量因素对杂交谷出苗率有显著的影响(P<0.05),对杂交谷叶绿素含量有极显著的影响(P<0.01);对出苗率的影响顺序为施磷量>施氮量>施钾量,对叶绿素含量的影响顺序为施氮量>施磷量>施钾量。通过多重比较得出,利于杂交谷生长发育的三因素最佳水平组合为:施氮量300 kg/hm2、施磷量450 kg/hm2、施钾量150 kg/hm2。试验结果可为杂交谷的合理施肥及大面积推广提供理论依据。
译  名：
Application of Orthogonal Design in Fertilizer Application Experiments of Hybrid Millet
作  者：
NIE Meng-en;GUO Ping-yi;YANG Yan-jun;YUAN Xiang-yang;NING Na;GUO Jun;College of Agronomy,Shanxi Agricultural University;Institute of Biology & Bioengineering,Jinzhong University;
关键词：
hybrid millet;;orthogonal design;;germination rate;;chlorophyll content;;fertilization conditions
摘  要：
An experiment based on orthogonal design of three factors and three levels with 3 replications was conducted through an analysis of variance. The results showed that the effects of nitrogen and phosphate level on chlorophyll content and germination rate were significant at 1% probability level, while the effects of potassium level on chlorophyll content were significant at 1% probability level and on germination rate were significant at 5% probability level. For the germination rate, the order of the significance is as follows: phosphate level > nitrogen level > potassium level, while for the chlorophyll content, the order of the significance is as follows: nitrogen level > phosphate level > potassium level. It is concluded that the optimal cultivation conditions are that nitrogen level 300 kg/hm2, phosphate level 450 kg/hm2 and potassium level 150 kg/hm2. The research lays a theoretical foundation for scientific fertilization and a large area millet hybrid spreading.

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