| 盐渍化土壤向日葵水-肥耦合试验研究 |
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| 引用本文： | 田德龙,史海滨,王长生,薛铸,戴佳信.盐渍化土壤向日葵水-肥耦合试验研究[J].灌溉排水学报,2010,29(6). |
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| 作者姓名： | 田德龙 史海滨 王长生 薛铸 戴佳信 |
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| 基金项目： | 国家自然科学基金项目，"十一五"国家科技支撑计划重点项目 |
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| 摘 要： | 以内蒙古河套灌区主要作物油料向日葵为研究对象,进行了田间试验,采用312-D最优饱和试验设计方案,随机排列,2次重复,以产量为目标函数建立了不同盐分水平下的回归模型,并进行分析。研究结果表明,在盐渍化地区土壤中水肥因子的影响效应轻度盐渍化土壤依次为水分、磷、氮,中度盐渍化土壤依次为水分、氮、磷。最佳水肥配比范围轻度灌水量为1 581～2 116 m3/hm2,中度灌水量为1 088～1 549 m3/hm2,氮为225 kg/hm2,磷为150 kg/hm2。
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| 关 键 词： | 盐渍化土壤 水肥耦合 向日葵 |
Coupling Effect of Soil Water and Fertilizer on Sunflower in Saline Soil |
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| TIAN De-long,SHI Hai-bin,WANG Chang-sheng,XUE Zhu,DAI Jia-xin.Coupling Effect of Soil Water and Fertilizer on Sunflower in Saline Soil[J].Journal of Irrigation and Drainage,2010,29(6). |
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| Authors: | TIAN De-long SHI Hai-bin WANG Chang-sheng XUE Zhu DAI Jia-xin |
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| Abstract: | Field experiment on the staple crop fuel oils sunflower in Inner Mongolian Hetao Irrigation District.Adopting 312-D optimum saturated experiment design schemes,random arrangement,2 times repeated,take the yield as target function having built different salinity level return model and carried on the analysis.The results showed that the influence effect order of water and fertilizer factor in the mild salinization soil was moisture content,phosphorus,nitrogen,moderate salinization soil was moisture content,nitrogen,phosphorus.The optimum allocation ratio scope of water and fertilizer of mild irrigation volume was 1 581～2 116 m3/hm2,moderate irrigation volume was 1 088～1 549 m3/hm2. |
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| Keywords: | salinization soil water and fertilizer coupling sunflower |
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