初春气温低,采用深播浅盖播种法,使春玉米幼苗缝壮生长。具体做法是播种前种沟(或种穴)先开挖深至16—17厘米,把泥土刮出。种沟先用水粪淋湿做底肥,然后播种,再施上基肥并盖上薄土,基肥和盖土厚度6—7厘米,种后仍形成 Early spring temperature is low, the use of deep sowing shallow cover sowing method, so that spring corn seedling grow strong. The specific practice is to sow ditch (or acupoints) before sowing as deep as 16-17 cm, the soil scraped out. Seed ditch first wet with water to make base fertilizer, and then sowing, and then applied to the base fertilizer and covered with thin soil, basal and cover soil thickness 6-7 cm, after the formation is still formed