| 宁南山区马铃薯连作田土壤水分变化规律及其对产量的影响 |
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| 引用本文： | 张庆霞,宋乃平,王磊,陈林.宁南山区马铃薯连作田土壤水分变化规律及其对产量的影响[J].水土保持通报,2010,30(6):81-85. |
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| 作者姓名： | 张庆霞 宋乃平 王磊 陈林 |
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| 作者单位： | 西北退化生态系统恢复与重建教育部重点实验室, 宁夏银川 750021;宁夏大学西部生态研究中心, 宁夏银川 750021;西北退化生态系统恢复与重建教育部重点实验室, 宁夏银川 750021;宁夏大学资源环境学院, 宁夏银川 750021;西北退化生态系统恢复与重建教育部重点实验室, 宁夏银川 750021;宁夏大学资源环境学院, 宁夏银川 750021;西北退化生态系统恢复与重建教育部重点实验室, 宁夏银川 750021;宁夏大学资源环境学院, 宁夏银川 750021 |
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| 基金项目： | 教育部科学技术重点研究项目 |
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| 摘 要： | 采用定位观测的方法,探讨了宁南山区马铃薯连作田土壤水分变化规律及其对产量的影响。试验结果表明,试验区内土壤贮水量的年际变化呈正抛物线形变化,春秋高,春末夏初达到谷值。土壤含水量的动态变化主要取决于全年降雨分配和蒸发的平衡过程,整个生育期土壤含水量变化在9.95%～21.6%之间。0—100cm层土壤贮水量与产量之间具有显著的相关性,土壤贮水量与马铃薯产量相关关系最显著的时期为发棵期和结薯期,此时也是马铃薯生长耗水的高峰期,在此期间0—100cm土壤贮水量每增加10mm,产量平均可增加135～270kg/hm2。
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| 关 键 词： | 宁南山区 马铃薯连作 土壤水分 产量 |
| 收稿时间： | 2010/6/21 0:00:00 |
| 修稿时间： | 2010/8/26 0:00:00 |
Variation of Soil Moisture Under Potato Cropping and Its Influences on Yield in Mountainous Area of Southern Ningxia Hui Autonomous Region |
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| ZHANG Qing-xi,SONG Nai-ping,WANG Lei and CHEN Lin.Variation of Soil Moisture Under Potato Cropping and Its Influences on Yield in Mountainous Area of Southern Ningxia Hui Autonomous Region[J].Bulletin of Soil and Water Conservation,2010,30(6):81-85. |
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| Authors: | ZHANG Qing-xi SONG Nai-ping WANG Lei and CHEN Lin |
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| Institution: | Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China of the Ministry of Education, Ningxia University, Yinchuan, Ningxia 750021, China;School of Resources and Environment, Ningxia University, Yinchuan, Ningxia 750021, China;Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China of the Ministry of Education, Ningxia University, Yinchuan, Ningxia 750021, China;United Research Center for Exploitation of Ecology and Biological Resources in Western China, Ningxia University, Yinchuan, Ningxia 750021, China;Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China of the Ministry of Education, Ningxia University, Yinchuan, Ningxia 750021, China;United Research Center for Exploitation of Ecology and Biological Resources in Western China, Ningxia University, Yinchuan, Ningxia 750021, China;Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China of the Ministry of Education, Ningxia University, Yinchuan, Ningxia 750021, China;United Research Center for Exploitation of Ecology and Biological Resources in Western China, Ningxia University, Yinchuan, Ningxia 750021, China |
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| Abstract: | |
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| Keywords: | mountainous area of South Ningxia Hui Autonomous Region potato cropping soil moisture yield |
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