据悉,截至目前,北京市已有1.3万公顷蔬菜和果树用上了水肥一体化技术,每年可实现节水2200多万米3,相当于11个昆明湖的容量,还可节肥5500多吨。昔日大水漫灌、大把施肥的粗放型耕作方式,正在被科学的节水节肥模式取代。北京市是一个重度缺水的城市,在农业用水总量逐年减少的情况下,以蔬菜、果树、花卉等为重点的都市型现代农业发展提速。“十二五”时期,为实现北京蔬菜自给 It is reported that, as of now, Beijing has 13,000 hectares of vegetables and fruit trees with water and fertilizer integration technology, annual savings of more than 2200 million cubic meters 3, equivalent to 11 Kunming Lake capacity, but also more than 5,500 tons of fertilizer . Flood irrigation in the past, a lot of extensive farming methods of fertilization, is being replaced by the scientific mode of saving water and fertilizer. Beijing is a city with severe water shortages. With the total amount of agricultural water used decreasing year by year, the development of modern urban agriculture focusing on vegetables, fruit trees and flowers will accelerate. “Twelve-Five ” period, in order to achieve Beijing vegetable self-sufficiency