论文部分内容阅读
一、前言为适应我国农业生产发展的需要,采用节水型及对地形、土壤适应能力强的先进灌溉技术,是目前灌溉发展的必然趋势。对于水资源紧张的地区,其地形、土壤、种植作物以及劳力等条件适宜发展喷灌的工程项目,国家从1985年至1989年五年内拿出专项贴息贷款扶植喷灌发展,这是在我国进一步发展灌溉农业的一项具有战略意史的重要措
I. INTRODUCTION In order to meet the needs of agricultural development in our country, adopting advanced water-saving technologies and advanced irrigation technologies that are adaptable to topography and soil is the inevitable trend of current irrigation development. For areas with water stress, the project of sprinkling irrigation is suitable for the conditions of topography, soil, crops and labor. The state put forward special subsidized loans to promote sprinkler irrigation development within five years from 1985 to 1989, which is to further develop irrigation in our country An important measure of strategic importance in agriculture