A study on agricultural land and water management against decrease of irrigation water supply-A case study of the lower Ili River basin, Kazakhstan
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A study on agricultural land and water management against decrease of irrigation water supply-A case study of the lower Ili River basin, Kazakhstan
第十一屆國際旱地發展會議——While groundwater level was about 8m from ground surface before irrigation district developed,after 1970's when rice cultivation started groundwater level rose sharply up to about 2m.Recently,groundwater level shows decrease trend.The influence of the seepage is considered to reach wholefields in irrigation district.The condition of water supply to fields is affected on not only rice cropped field area but also position of rice cropped field.
嘉 賓 :
Toshihiko Anzai
關鍵字 :
地下水水位 農作物 水資源利用視頻年代:2013