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1 配方施足底肥合理使用种肥在玉米播种前对土壤进行化验,然后实施配方施肥,主要应施有机肥,一般为40000kg/hm~2,同时要施磷肥850～1100kg/hm~2,硫酸钾320～368kg/hm~2,这样可以全面改善土壤的物理性状,同时其肥效长,质地松软,养分全面,这样对培育壮苗,夺取制种高产起到重要的作用。同时要合理使用种肥,一般使用三元素复合肥60kg/hm~2。
1 Formula applied to the foot of fertilizer reasonable use of fertilizer in the corn before sowing the soil test, and then the implementation of the formula fertilizer, the main application of organic fertilizer, usually 40000kg / hm ~ 2, at the same time to apply phosphate 850 ~ 1100kg / hm ~ 2, sulfuric acid Potassium 320 ~ 368kg / hm ~ 2, so that can fully improve the physical properties of the soil, while its fertilizer efficiency, soft texture, comprehensive nutrition, so to cultivate strong seedlings, to seize the high yield of seed play an important role. At the same time to the rational use of seed fertilizer, the general use of three-element fertilizer 60kg / hm ~ 2.