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山东省曲阜市为了充分发挥现有水源的作用,节约灌溉用水量,提高果品的产量和质量,于1989年在果园内搞了100亩滴灌系统试验。试区作物种类为苹果、山楂、杏树,水源为大口井,采用固定式滴灌系统,每行设置一条毛管,枢纽布置在大口井旁,枢纽包括水泵、过滤器,压力表、水表、施肥池等。滴头设计流量3升每小时,山楂(株行距4米),杏树(3×6米)每株布置4个滴头,苹果树(株行距6米或7米)每株布置6
Qufu City, Shandong Province, in order to give full play to the role of existing water sources, water conservation and improve the quality of fruit production, in the orchard in 1989 engaged in 100 acres of drip irrigation system test. The crops in the trial area are apples, hawthorn and almond trees. The water source is a large well. The fixed drip irrigation system is used. Each pipe is provided with a capillary tube. The hub is arranged beside a large well. The hub includes pumps, filters, pressure gauges, water meters, Wait. Dripper design flow of 3 liters per hour, hawthorn (spacing of 4 meters), apricot (3 × 6 meters) per plant layout 4 drip, apple trees (spacing 6 or 7 meters spacing) per plant layout 6