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膜下沟灌技术节水效率高,成本低,操作简单,灌溉效率好,增产作用显著。2006年在额敏县上户乡膜下沟灌种植打瓜,667米2产量达140千克以上。一、栽培技术1.播前准备①基肥种植地块在直属六村西侧,棕钙土,前茬小麦,肥力中等。5月12日滴水,5月20日667米2撒施二铵15千克、硫酸钾8千克,犁地深度22厘米,5月21日耙耱平整。
Under-furrow irrigation technology has the advantages of high water-saving efficiency, low cost, simple operation, good irrigation efficiency and obvious stimulation effect. 2006 Emei County households in rural areas under the trench irrigation planting melon, 667 m 2 yield of 140 kg or more. First, the cultivation technology 1. Preparation before sowing ① base fertilizer planting plots in the immediate west of the six village, brown soil, wheat crop before the medium fertility. Drip on May 12, 667 m 2 on May 20, 15 kg of diammonium, 8 kg of potassium sulfate, plow depth 22 cm, May 21 rake 耱 smooth.