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三、改善以水肥为中心的农田生态环境开封砂土实验区旱、涝、渍灾害频繁,由旱至薄,旱薄相连等农田生态环境恶化是障碍农业发展的主要因素。因此,沙区综合开发治理必须针对主要障碍因素,改善以水肥为中心的农田生态环境。1、加强农田基本建设三年来,根据当地地下水资源丰富的优势发展井灌。绘制了1/5000水利建设规划设计图,对原有的70眼机井维修配套,新打机井43眼,购置喷灌机25台,开挖排水沟达
Third, to improve water and fertilizer as the center of farmland ecological environment Kaifeng sand experimental area drought, waterlogging, frequent plague disasters, from dry to thin, dry and thin connected ecological environment and other aggravated agricultural development is the main obstacle. Therefore, comprehensive development and management of sandy areas must address the major obstacles to improve the farmland ecological environment centered on water and fertilizer. 1, to strengthen farmland infrastructure Three years ago, according to the local advantages of abundant groundwater resources to develop well irrigation. Draw a 1/5000 water conservancy planning and design drawings, supporting the original 70 wells, 43 new drilling wells, the purchase of 25 irrigation machines, excavation of drainage ditches