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1试验目的沼气液富含多种作物所需要的营养物质(如氮、磷、钾),适宜根外施肥,可单施,也可与化肥、农药、生长剂等混合施,其效果比化肥好。当棉花进入花期,喷施沼气液效果明显,叶面喷施沼液可调节作物生长代谢,补充营养,保花保铃,提高棉花产量,为农民节本增效。
1 Test Purposes biogas fluid rich in nutrients required by a variety of crops (such as nitrogen, phosphorus and potassium), suitable for root fertilization, can be applied alone, but also with fertilizers, pesticides, growth agents mixed facilities, the effect than fertilizer it is good. When cotton enters the flowering stage, the effect of spraying biogas liquid is obvious. The spraying of biogas slurry on the foliage can regulate crop growth and metabolism, supplement nutrition, protect flowers and protect bolls, increase cotton yield, and enhance efficiency for farmers.