摘要
近几年来温室、大棚种植蔬菜采用滴灌技术的越来越多 ,但有些工程无论设计上、管理上都存在一些问题 ,包括调压设备的合理配置 ,按土壤、作物、灌水器及滴灌总水量合理确定毛管 (或滴灌带 )的间距 ,以及按大棚蔬菜的耗水特性合理确定灌溉制度等 ,上述各项确定的不合理 ,不但直接影响效益 ,严重时可导致工程失败 。
Problems caused in designing and management including configuring regulating devices, deciding spaces of the last pipelines, and working out irrigation scheme in reason using drip irrigation in green houses and in covered lands are raising in recent years, theose not only affect benefits but also result in failing of projects.
出处
《节水灌溉》
北大核心
2000年第3期15-16,共2页
Water Saving Irrigation
