| 膜下滴灌土壤水分监测合理采样数目的初步研究 |
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| 引用本文： | 李彦,雷晓云,申祥民,庄维民.膜下滴灌土壤水分监测合理采样数目的初步研究[J].灌溉排水学报,2011,30(1):46-48. |
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| 作者姓名： | 李彦 雷晓云 申祥民 庄维民 |
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| 作者单位： | 新疆农业大学水利与土木工程学院;新疆生产建设兵团农八师148团灌溉试验站; |
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| 基金项目： | “十一五”国家科技支撑计划项目(2007BAD38B05); 新疆自治区高技术研究发展计划项目(200712111); 新疆维吾尔自治区水利水电工程重点学科资助项目(XJZDXK-2002-10-05) |
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| 摘 要： | 采用网格法和随机法2种取样方式对新疆农八师石河子148团的土壤水分进行了取样分析,分别测定了0～20,20～40、40～60 cm三个深度的土壤水分,并运用传统统计学方法进行了分析.以此为基础提出了取样数目的确定及取样点的布置方法,并且对各种取样方式及取样数目下的土壤含水率的相对误差进行了分析.为建立合理的膜下滴灌土壤...
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| 关 键 词： | 滴灌 土壤水分 空间变异性 取样数目 田间尺度 |
Rational Sampling Numbers of Soil Moisture Monitoring for Cotton with Film Mulched Drip Irrigation System |
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| LI Yan,LEI Xiao-yun,SHEN Xiang-min,ZHUANG Wei-min.Rational Sampling Numbers of Soil Moisture Monitoring for Cotton with Film Mulched Drip Irrigation System[J].Journal of Irrigation and Drainage,2011,30(1):46-48. |
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| Authors: | LI Yan LEI Xiao-yun SHEN Xiang-min ZHUANG Wei-min |
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| Institution: | LI Yan1,LEI Xiao-yun1,SHEN Xiang-min1,ZHUANG Wei-min2(1.Water Conservancy and Civil Engineering Institute of Xinjiang Agricultural University,Urumqi 830000,China,2.Irrigation Testing Station of 148 Tuan of Division 8th of Xinjiang Production and Construction Corps,Shihezi 832000,China) |
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| Abstract: | With grid sampling method and random sampling method at the field of 148 Tuan of Div 8th(Shihezi area) in Xinjiang and the soil moisture data obtained along the different depth underground,the first layer deep from 0 to 20 cm,the second layer from 20 to 40 cm,and the third layer deep from 40 to 60 cm,which are then analyzed with typical statistic methods,the methods to determine the numbers and the distribution mode of sampling points are put forward and the relative errors of soil moisture contents gained ... |
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| Keywords: | drip irrigation soil moisture spatial variability sampling numbers field scale |
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