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1、土壤选择选择土质好、土层深厚、无盐碱、中性土壤,前茬以粮食、豆科作物为宜。2、播种(1)整地:结合秋季深耕、深松,全层施肥,每667米~2用磷酸二铵15～20千克,尿素10千克,春季播种前适时耙耱镇压,达到“墒、平、松、碎、净、齐”六字标准。(2)铺膜光铺膜(平铺)后点种,铺膜时间在3月20日左右,膜宽70厘米,厚度0.008毫米,667米~2用量3.5千克。行距:膜上40厘米,膜
1, select the soil selection of good soil, deep soil, no saline, neutral soil, the former crop to grain, leguminous crops is appropriate. 2, sowing (1) site preparation: combined with autumn plowing, deep pine, full-thickness fertilization, every 667 m ~ 2 with 15 ~ 20 kg of diammonium phosphate, urea 10 kg, timely sowing before spring sowing cracks, Flat, loose, broken, net, Qi "six character standard. (2) Membrane light film (tiling) After planting, filming time on March 20 or so, the film width 70 cm, thickness 0.008 mm, 667 m ~ 2 dosage 3.5 kg. Row spacing: film 40 cm, film