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“三合一”肥一般指用农家肥、磷肥、氮肥制成的一种有机、无机氮磷复合肥。这种肥料农村社队自己都能做,它可做底肥或口肥,且有养分全、肥效快、肥劲长,能改良土壤,促进禾苗早生快发等优点。“三合一”肥的原料配比(按每亩用量计算)约为:农家肥3,000~5.DDO斤,磷肥30~50斤,氮肥10~2D斤。制作方法简单先把农家肥和磷肥按
“Three in one” refers to the general use of fertilizer manure, phosphate fertilizer, nitrogen fertilizer made of an organic, inorganic nitrogen and phosphorus fertilizer. This fertilizer rural commune themselves can do it, it can do the base or mouth fat, and nutrients, fast, fat and strong, can improve the soil, and promote the early seedling Hay quick hair and so on. “Three in one” fat raw material ratio (calculated per acre amount) is about: farmhouse fertilizer 3,000 ~ 5.DDO pounds, phosphate fertilizer 30 to 50 pounds, nitrogen fertilizer 10 ~ 2D pounds. The first simple method of making manure and phosphate fertilizer press