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## Abstract For assessing the potential and need to reuse surface drainage and groundwater for sustainable crop production in the Shandong province of the Yellow River basin, inventories were made on the quality of alternative sources of irrigation and on the yields achieved by farmers using those
To provide an enabling environment for the development of their activities embracing the principles and priorities, the ICID work bodies review their priority tasks under four Strategy Themes: (i) Knowledge, (ii) Basin, (iii) Systems and (iv) On Farm. The theme ''On Farm'' was the focus during the r
## 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 With increasing pressure on available water resources, irrigation systems in many countries are having to find ways to improve performance. As often the main consumptive user, irrigation systems are having to release water for other uses and to produce βmore crop per dropβ. Benchmarking
## 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