Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31460143 |
| 不同灌溉量和残膜水平下绿洲棉田水氮均匀度及盐分运移研究 | |
| 汤秋香 | |
| 主持机构 | 新疆农业大学 |
| 开始日期 | 2015 |
| 结束日期 | 2018 |
| 资助经费 | 490000(CNY) |
| 项目类别 | 地区科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | The soil physical structure would be changed by mulch residue, and the moisture and nutrient of soil transport were hampered, Especially in arid regions such as Xinjiang, plastic film led to infiltration of groundwater was difficult, It would be resulted in soil salinization. But, in currently the film pollution researches on water and nitrogen use and distribution contamination of salt movement were less.The project intends to test of field and soil column controlled trial, the stable isotope techniques would be used, Trims locate moisture monitoring technology would be used too. the uniformity distribution of water and nitrogen and using and salt migration would be studied under different levels of irrigation amount in plastic film mild and severe pollution cotton fields. the main factors of water and nitrogen uniformity would be seeked under different levels of plastic film cotton fields; The interaction mechanism of water and nitrogen movement and salt were elucidated under different amounts of plastic film and different irrigation levels on plastic film. The measures and mechanisms of water and nitrogen using were identified at different levels of contamination in cotton plastic film. It would provide technical support for the management of residual contamination of farmland mulch. |
| 来源机构 | 新疆农业大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/344388 |
| 推荐引用方式 GB/T 7714 | 汤秋香.不同灌溉量和残膜水平下绿洲棉田水氮均匀度及盐分运移研究.2015. |
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