摘要
为使保护地生产进一步发挥作用,并且可持续地发展下去,对辽宁省保护地灌溉面积,灌溉方法进行了掌握整体变化和总量动态的大范围全面调查和典型抽样调查。根据调查结果,分析了膜下灌、滴灌、微喷、渗灌等灌溉方法的经济效益及资源利用情况,提出了保护地节水灌溉中存在的问题。分析结果可分为节水技术的选择与推广提供决策依据。
Based on the investigation result of irrigation area and irrigation mode in protected field of Liaoning Province, the economic benefit of some irrigation methods, such as drip irrigation under mulch, drip irrigation, micro sprinkler irrigation and infiltration irrigation, and the situation of resources utilization was analyzed in this paper. Also, some existing problems of water-saving irrigation in protected field were summarized. The analysis result will present decision foundation for the selection and spread of water saving technology.
出处
《节水灌溉》
北大核心
2006年第5期57-59,共3页
Water Saving Irrigation
基金
国家高技术研究发展计划("863"计划)资助项目(2002AA6Z3321)
关键词
保护地
节水灌溉
经济效益
辽宁
protected field
water-saving irrigatiom economic benefit
