一、项目概述1998年 8月 ,旱作农业区集雨节灌高效农业模式试验示范项目选点于定西县城以北 30ｋｍ的青岚乡郑沟村肖川社 ,同年 10月建成了 2座日光温室及试验用房 ,原规划于 1999年 4月完建的塑料大棚及生态模式配套设施建设因当年天旱 ,所集雨水不足而缓建 ,1999年 4月续建了 I. Overview of the Project In August 1998, a demonstration project of rainwater harvesting and rain-harvesting efficient agriculture model pilot project in dry farming area was selected at Xiao Chuan She, Zhenggou Village, Qinglan Township, 30km north of Dingxi County. In the same year, two daylight Greenhouses and experimental houses. The construction of plastic greenhouses and eco-mode facilities originally planned for completion in April 1999 has been eased due to the lack of rainwater due to the drought in that year and the renewal of the construction in April 1999