论文部分内容阅读
1 灌区基本情况宁陵县地处豫东平原,是一个农业大县,主要作物有小麦、玉米和棉花。目前农业发展所面临的主要问题有:①挖掘农业生产的潜力只能依靠现有耕地。②水资源严重不足。③旱灾是主要的自然灾害。④用水缺乏管理,水资源浪费严重。⑤引黄水量受到限制。由于水资源在农业可持续发展中具有重要的作用,为妥善解决农业生产中存在的问题,在综合考虑社会需求、经济效益以及环境等的前提下,以提高水资源利用效率为目的,对水资源进行多目标管理,充分利用现有水资源,使有限的水发挥更大效益;并按照自然条件和市场及社会的需要,采取因地制宜的措施,调整农业产业结构,确定作物的种植面积,并对作物的
1 The basic situation of Irrigation District Ningling County is located in the eastern part of the plain, is an agricultural county, the main crops are wheat, corn and cotton. At present, the main problems in agricultural development are as follows: ① The potential of mining agricultural production can only depend on existing cultivated land. ② serious shortage of water resources. ③ Drought is the major natural disaster. ④ lack of water management, serious waste of water resources. ⑤ water diversion is limited. As water resources play an important role in the sustainable development of agriculture, in order to properly solve the problems existing in agricultural production and on the premise of taking social needs, economic benefits and environment into account, water resources are used to improve the efficiency of water resources utilization. Resources to achieve multi-objective management, make full use of existing water resources, so that limited water to play greater benefits; and in accordance with natural conditions and market and social needs, to take measures to local conditions, adjust the agricultural structure of the industry to determine the crop area planted and On the crop