| 不同玉米品种最佳播种期、密度与施肥水平的研究 |
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| 引用本文： | 郝春雷,孟繁盛,李艳红,边丽梅,郑伟,张丽妍,张昊,董喆. 不同玉米品种最佳播种期、密度与施肥水平的研究[J]. 内蒙古农业科技, 2012, 0(5): 19-20,44 |
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| 作者姓名： | 郝春雷 孟繁盛 李艳红 边丽梅 郑伟 张丽妍 张昊 董喆 |
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| 作者单位： | 1. 赤峰市农牧科学研究院,内蒙古赤峰,024031
2. 赤峰市元宝山区元宝山镇人民政府,内蒙古赤峰,024076 |
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| 基金项目： | 国家现代农业玉米产业技术体系(CARS-02) |
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| 摘 要： | 试验采用正交设计,选4个栽培因素,即品种(A)、播期(B)、密度(C)、施肥种类和数量(D),均采用3个水平。试验结果表明:品种因素中,赤单202的最优组合是产量734.5kg/667m2,5月5日播种,密度3600株/667m2,追N肥30kg/667m2;赤早5号的最优组合是产量692.3kg/667m2,4月25日至5月10日播种,密度3600株/667m2,追N肥40kg//667m2;赤单661的最优组合是产量784.5kg//667m2,5月5日播种,密度3200株/667m2,追N肥40kg/667m2。
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| 关 键 词： | 玉米品种 播种期 密度 施肥水平 |
Study on the Optimum Sowing Date,Density and Fertilization Level of Different Maize Vareties |
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| Affiliation: | HAO Chun-lei(Chifeng Academy of Agricultural and Animal Husbandry Sciences,Chifeng 024031,China) |
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| Abstract: | A scheme of orthogonal test,which includes 4 factors and 3 levels,was designed.in which Maize Varieties,Sowing date,Density and fertilizer Varieties and Quantity.The results show that the technical formula for the Maize variety "Chidan 202" which reached above 734.5 kg per 667m2,has been designed as:sowing on May 5,3600 plants per 667m2,and appling urea fertilizer 30kg per 667m2.The technical formula for the Maize variety "Chizao 5" which reached above 692.3 kg per 667m2,has been designed as:sowing during April 25 to May10,3600 plants per 667m2,and appling urea fertilizer 40kg per 667m2.The technical formula for the Maize variety "Chidan 661" which reached above 784.5 kg per 667m2,has been designed as:sowing on May 5,3200 plants per 667m2,and appling urea fertilizer 40kg per 667m2. |
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| Keywords: | Spring maize Sowing dat Density Fertilizer levels |
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