| 钾对黄瓜生长发育和产量及养分吸收的影响 |
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| 引用本文： | 唐小付,龙明华,于文进.钾对黄瓜生长发育和产量及养分吸收的影响[J].北方园艺,2010(11):5-8. |
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| 作者姓名： | 唐小付 龙明华 于文进 |
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| 作者单位： | 广西大学,农学院,广西,南宁,530005;广西大学,农学院,广西,南宁,530005;广西大学,农学院,广西,南宁,530005 |
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| 基金项目： | 国家"十一五"科技支撑计划资助项目 |
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| 摘 要： | 在深液流水培条件下研究钾对黄瓜生长发育、产量及养分吸收的影响。结果表明:黄瓜无土栽培营养液配方中的最佳钾浓度为350 mg/L,此时黄瓜单果重为228.3 g,小区产量为5980 g,均为最高;当钾的浓度低于350 mg/L时,黄瓜叶片中的全氮、全磷含量随钾浓度的增加而增加;钾浓度高于350 mg/L时,则随钾浓度的增加而下降;钾浓度在50~500 mg/L范围内,黄瓜叶片的含钾量随钾浓度的增加而增加,而全锰含量随钾浓度增加而降低。适当钾浓度可以促进黄瓜对钙、镁、铁、铜、锌等金属元素的吸收,钾浓度过高则会抑制它们吸收。
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| 关 键 词： | 黄瓜 钾 产量 养分吸收 |
Effects of Potassium on Growth,Development,Yield and Minera Nutrients Absorption of Cucumber |
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| TANG Xiao-fu,LONG Ming-hua,YU Wen-jin.Effects of Potassium on Growth,Development,Yield and Minera Nutrients Absorption of Cucumber[J].Northern Horticulture,2010(11):5-8. |
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| Authors: | TANG Xiao-fu LONG Ming-hua YU Wen-jin |
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| Institution: | TANG Xiao-fu,LONG Ming-hua,YU Wen-jin(College of Agriculture,Guangxi University,Nanning,Guangxi 530005) |
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| Abstract: | The experiments were conducted to study the effects of different concentration of potassium on the growth,development,yield and minera nutrients Absorption of cucumber under the hydroponics.The results showed that the optimum concentration of potassium to cucumber was 350 mg/L,which had the highest average fruit weight and plot yield,it was about 228.3 g and 5 980 g respectively.The content of nitrogen and phosphorus in cucumber leaves increased with the increasing of potassium concentration when it being b... |
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| Keywords: | cucumber potassium yield nutrient uptake |
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