Water and salt movements in simultaneous flood-irrigation and well-drainage operations
β Scribed by Qi Longxi; Qiu Kejian
- Book ID
- 112760841
- Publisher
- The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences
- Year
- 1996
- Tongue
- English
- Weight
- 429 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0567-7718
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## Abstract YinNan Irrigation District (YNID) is located in the upper reaches of the Yellow River in NingXia, China. Its irrigated area is about 80 000 ha, with oneβthird of it for rice production. The major part of its drainage system was constructed between the 1950s and 1970s to maintain the sal
## Abstract According to data collected from a field experiment of controlled drainage in Yinnan Irrigation District, this paper analyses the amount of drainage water and variation of salt and water balance. Compared with traditional drainage, it is found that the volume of drainage water is obviou