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一、播前准备1.地块选择选择土层深厚、结构良好、土质疏松、通透性和排水性能良好的肥沃土壤,忌碱性大、板结地块。前茬以苜蓿、瓜类、豆类等作物为宜,不宜连作。2.灌底墒水为满足玉米蹲苗期对水分的需求,早春犁地前667米2灌底墒水100米3以上,灌匀灌透。3.耕地施肥每667米2施有机肥2～3吨、磷酸二铵15千克、
A preparation before sowing 1. Plot selection Select the deep soil, good structure, loose soil, permeability and drainage of good fertile soil, avoid alkaline, plate knot plots. Crops to alfalfa, melons, beans and other crops is appropriate, should not even make. 2. Irrigation at the end of water To meet the water needs of corn squatting seedlings, the early spring before the 667 m 2 irrigation water at the end of 100 m 3 water above, filling evenly. 3. Cultivated land fertilization per 667 m 2 organic fertilizer 2 to 3 tons, 15 kg of diammonium phosphate,