| 棉花不同生长期土壤水分空间分布规律研究 |
| |
| 引用本文： | 陈志卿,虎胆·吐马尔白,张江辉.棉花不同生长期土壤水分空间分布规律研究[J].新疆农业科学,2011,48(7):1259-1263. |
| |
| 作者姓名： | 陈志卿 虎胆·吐马尔白 张江辉 |
| |
| 作者单位： | 新疆农业大学水利与土木工程学院,乌鲁木齐830052;新疆水利水电科学研究院,乌鲁木齐830049;新疆农业大学水利与土木工程学院,乌鲁木齐,830052;新疆水利水电科学研究院,乌鲁木齐,830049 |
| |
| 基金项目： | 水利部公益性行业科研专项(201001066); 国家科技支撑计划(2011BAD29B05),国家科技支撑项目(2007BAD38B05); 新疆维吾尔自治区科技攻关项目(200931105); 国家自然科学基金(51069015) |
| |
| 摘 要： | 目的]以膜下滴灌棉田为对象,研究不同生长期土壤水分的空间变异规律.方法]在典型地块(55 m×45 m),沿毛管方向每间隔15 m布设监测点,沿支管方向每间隔5 m布设田间土壤水分监测点,共布设监测点63个,测定不同生长期的各个采样点0～20、20～40和40～60 cm三个不同深度的土壤含水率.结果]随着作物的生长,研究区土壤水分的空间变异性由强变弱.结论]土壤水分的空间分布规律受覆盖地膜的影响,覆盖地膜的完整度随着时间的延长而变得越来越小,而地膜的完整度会直接的影响到土壤水分的地面蒸发；土壤水分的空间分布还受到其他人为因素、气候因素的影响.
|
| 关 键 词： | 土壤水分 空间变异 生长期 棉花 |
| 收稿时间： | 2011-07-25 |
Study on the Soil Moisture Distribution in Different Growth Periods of Cotton |
| |
| CHEN Zhi-qing,Hudan Tumaerbay,ZHANG Jiang-hui.Study on the Soil Moisture Distribution in Different Growth Periods of Cotton[J].Xinjiang Agricultural Sciences,2011,48(7):1259-1263. |
| |
| Authors: | CHEN Zhi-qing Hudan Tumaerbay ZHANG Jiang-hui |
| |
| Institution: | CHEN Zhi-qing1,2,Hudan Tumaerbay1,ZHANG Jiang-hui2(1.College of Water Conservancy and Civil Engineering,Xinjiang Agricultural University,Urumqi 830052,China,2.Xinjiang Institute of Water Conservancy and Hydroelectric Power Research,Urumqi 830049,China) |
| |
| Abstract: | 【Objective】The purpose of this study was to analyze the regularity of the spatial variability of the soil moisture at different growing stages by taking drip-irrigated cotton under plastic mulch as the trial material.【Method】The measured value interval was 15 centimeters horizontally,and 5 centimeters in vertical direction.Soil samples were obtained from each point under three layers of 0-20 cm,20-40 cm and 40-60 cm at different growing stages.Altogether,63 monitoring sites were set up.【Result】The spatial variability of the soil moisture decreased with the growth of cotton.【Conclusion】Soil moisture distribution regularity and soil evaporation were affected by plastic film,and with the length of growth,the film's integrity became small,which directly affected the evaporation of the ground water.And what's more,they were affected by human and climate factors,too. |
| |
| Keywords: | soil moisture spatial variability growth period cotton |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《新疆农业科学》浏览原始摘要信息 |
| 点击此处可从《新疆农业科学》下载免费的PDF全文 |
|
