| 荒漠化地区温室黄瓜水肥耦合效应量化指标研究 |
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| 引用本文： | 张东昱,陈修斌,张文斌,许耀照,闫芳.荒漠化地区温室黄瓜水肥耦合效应量化指标研究[J].土壤通报,2010(2). |
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| 作者姓名： | 张东昱 陈修斌 张文斌 许耀照 闫芳 |
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| 作者单位： | 甘肃张掖市经济作物技术推广站;甘肃河西学院农学系; |
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| 基金项目： | 国家自然科学基金资助项目(40661007)资助 |
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| 摘 要： | 采用三因素二次回归通用旋转组合设计,研究了灌水量、氮肥、钾肥的耦合效应对黄瓜的影响,得到黄瓜产量对三因素的回归数学模型。结果表明:三因素影响黄瓜产量的顺序为施氮量灌水量施钾量。各因素间存在交互作用,H2O与N、H2O与K2O、N和K2O在低于0.500和1.682、0.500和0.501、1.682和-1.351水平时对产量存在正相关关系,在分别高于以上水平时又会呈负相关关系。经过计算机模拟,得到黄瓜最高产量达88.74thm-2时,相对应的灌水量、施氮量、施钾量分别为1620m3hm-2、1070kghm-2、682kghm-2。对试验结果进行的验证表明,构建的模型准确可靠。
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| 关 键 词： | 温室黄瓜 水肥耦合 量化指标 |
Study of the Quantitative Index of Water-fertilizer Coupling Effect on Greenhouse Cucumber in Desertified Areas |
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| ZHANG Dong-yu,CHEN Xiu-bin,ZHANG WEN-bin,XU Yao-zhao,YAN Fang.Study of the Quantitative Index of Water-fertilizer Coupling Effect on Greenhouse Cucumber in Desertified Areas[J].Chinese Journal of Soil Science,2010(2). |
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| Authors: | ZHANG Dong-yu CHEN Xiu-bin ZHANG WEN-bin XU Yao-zhao YAN Fang |
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| Institution: | ZHANG Dong-yu,CHEN Xiu-bin,ZHANG WEN-bin,XU Yao-zhao,YAN Fang(1.Economic crops technology promotion stations,Zhangye 734000,China,2.Department of Agronomy,Hexi university,China) |
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| Abstract: | By means of quadratic general rotational combination design,the comprehensive effects of water and N and K2O fertilizers on the squash were studied,and three water-fertilizer coupling regression models demonstrating the relationships between yield and factors were established.Analysis results showed that:The effect of three factors on the yield of cucumber increased by degrees in the series of N >H2O >K2O.There were interactions between every two factors.When water-N,water-K2O and N-K2O were respectively lo... |
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| Keywords: | Greenhouse Cucumber Water-fertilizer Coupling Quantitative index |
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