【摘要】 大安市耕地后的备资源丰富,但长期以来,由于气候干旱,地下水潜水埋藏浅,以及农业灌溉方式的不合理等诸多因素的影响,导致土壤盐碱化,对该区的生态环境与经济发展构成威胁。大安灌区工程是吉林省"十一五"规划重点建设项目,也是吉林省重点水利工程项目之一。该灌区位于大安市中部,灌区内土壤盐碱化较严重。更多还原

【Abstract】 Da’an City reserve of arable land is rich in resources,but a long time,as a result of climate drought,buried in shallow ground water diving,as well as agricultural irrigation and many other forms of irrational factors,leading to soil salinization,the ecological environment in the area pose a threat to economic development.Da-an irrigated area is the key program of "Eleventh Five-Year Plan" of Jilin Province,and also one of six key water projects in Jilin Province.The district is located in the middle part of Da’an City,which suffered seriously soil salinization.更多还原