| 密度和施肥对甘薯品种万薯5号淀粉含量的影响 |
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| 引用本文： | 王良平,张菡,乐正碧,黎华,王季春.密度和施肥对甘薯品种万薯5号淀粉含量的影响[J].作物杂志,2012(1):108-110. |
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| 作者姓名： | 王良平 张菡 乐正碧 黎华 王季春 |
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| 作者单位： | 1. 重庆三峡农业科学院 404115 重庆万州
2. 西南大学农学与生物科技学院 400716 重庆北碚 |
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| 基金项目： | 重庆市“十一五”动植物良创专项(CSTC,2010AB1053);国家甘薯产业技术体系万州综合试验站(CARS-11-C-21) |
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| 摘 要： | 以密度、土壤中N总量、P2O5总量和K2O总量为4个处理因素,采用四因素三水平三重复正交设计,探讨不同栽培措施对专用型甘薯万薯5号淀粉率的影响。研究结果表明:各因素对其淀粉含量的影响各不相同,密度和土壤中N含量对万薯5号淀粉率有极显著影响;P2O5含量和K2O含量对其有显著影响。
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| 关 键 词： | 密度 施肥 高淀粉甘薯 万薯5号 淀粉率 |
The Effect of Planting Density and Fertilization on the Starch Content of High-starch Sweet Potato "Wanshu5" |
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| Wang Liangping
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Zhang Han
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Le Zhengbi
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Li Hua
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Wang Jichun.The Effect of Planting Density and Fertilization on the Starch Content of High-starch Sweet Potato "Wanshu5"[J].Crops,2012(1):108-110. |
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| Authors: | Wang Liangping Zhang Han Le Zhengbi Li Hua Wang Jichun |
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| Institution: | 1Chongqing Three Gorges Academy of Agricultural Sciences,Wanzhou 404115,Chongqing; 2College of Agronomy and Biotechnology of Southwest University,Beibei 400716,Chongqing,China) |
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| Abstract: | The effect of different cultivation methods on starch content of sweet potato "Wanshu5" were investigated using orthogonal test of L9(34) with four factors of planting density,total amount of N,K2O and P2O5 in the soil.The results showed that the mentioned factors had different effects on the starch content,whereas the N content of the soil and the planting density possessed very significant effects on the starch content of "Wanshu5",the P2O5 content and the K2O content also had significant effects. |
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| Keywords: | Density Fertilization High-starch sweet potato "Wanshu5" Starch content |
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