大棚蔬菜垄下根部自动灌水追肥新技术１１２０００辽宁省铁岭县蔬菜局高忠贤灌水是大棚蔬菜高产的基本条件。但人们有史以来灌水就是喷灌和地面流水灌及滴灌等方法。这些灌法虽然也起到湿润土壤、供给作物生长发育所需水分，但它有着使土壤板结、减少通透性、特别是增加大... Greenhouses under the ridge of vegetables with automatic irrigation top dressing new technology 112000 Liaoning Province Tieling County Vegetables Bureau Gao Zhongxian Irrigation is the basic conditions of high yield greenhouse vegetables. However, irrigation is the history of people sprinkling and surface irrigation and drip irrigation and other methods. Although these irrigation methods also play a role in moist soil for the growth and development of crops, it has the advantages of making soil compaction, reducing permeability, especially increasing ...