| 利用311-A 最优回归设计研究密度和氮钾肥配施对生姜产量的影响 |
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| 引用本文： | 李齐向,刘连生,陈由禹,杨长桃,吴新增,陈世镜.利用311-A 最优回归设计研究密度和氮钾肥配施对生姜产量的影响[J].福建省农科院学报,2014(2):157-159. |
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| 作者姓名： | 李齐向 刘连生 陈由禹 杨长桃 吴新增 陈世镜 |
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| 作者单位： | [1]福建省三明市种子站,福建三明365000 [2]福建省大田县种子站,福建大田366100 [3]福建省大田县前坪乡农业服务中心,福建大田366100 |
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| 基金项目： | 福建省农业科技跨越计划项目（201004） |
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| 摘 要： | 以“大田金姜”为试验材料，通过311-A最优回归设计研究不同种植密度及氮、钾肥配施对生姜产量的影响。结果表明，种植密度及氮、钾肥配施对产量都有极显著影响，取值过高都会降低产量。通过计算机模拟寻优表明，在当地种植密度以4.39万～4.8万株· hm -2，施纯 N 151.4～209.5 kg · hm-2，施K2 O 88.2～117.1 kg · hm -2易获得高产。
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| 关 键 词： | 311-A最优回归设计 氮肥 钾肥 密度 产量 |
Effect of Planting Density and Combined Application of Nitrogen,with Potassium on Ginger Yield Optimized by 311-A Regression Design |
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| Authors: | LI Qixiang LIU Liansheng CHEN Youyu YANG Changtao WU Xinzeng CHEN Shijing |
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| Institution: | 1. Seed Management Station of Sanming , Sanming, Fujian 365000, China; 2. Seed Management Station of Datian, Datian, Fujian 366100, China; 3. Agricultural Service Center of Qianping Township of Datian, Datian, Fujian 366100, China) |
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| Abstract: | The effect of planting density and combined application of Nitrogen with Potassium were studied on the yield of “Datian jinjiang”ginger by 311-A regression design . The results showed that planting density and combined application of Nitrogen with Potassium affected the ginger yield significantly ,and any over dosage in application would reduce ginger yield .With the optimization by computer ,the results suggested that the high yield would be obtained by density in 4.39 Million~4.8 Million plants per hectare and fertilizing N in 151.4~209.5 kg · hm -2 combined with K2 O in 88.2~117.1 kg · hm-2 . |
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| Keywords: | 311-A regression design nitrogen fertilizer potassium fertilizer density yield |
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