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答:沼气肥是指原料在沼气池内发酵后所剩的物质。其中,液体部分(发酵液)称为沼气水肥,而固体部分(发酵后的沉渣)称作沼气渣肥。沼气肥可直接做底肥、追肥,也可与畜粪、草、树叶等混合制成合成肥料。底肥.做旱地底肥应深施;做水田底肥用,可将沼气渣肥撒在田里,经翻、耙使其与泥土混拌。每亩施2,000斤沼气渣肥为宜。追肥.沼气水肥适于菜田或有灌溉条件的旱田做追肥,可随水施入田内。沼气水肥中的氨态氮容易挥发,应尽量在傍晚时施用。旱田施沼气水肥后要及时覆土。无灌溉条件的地方,可用氨水施肥机或氨水犁将沼气水
A: Biogas fertilizer refers to the material left in the digester after fermentation. Among them, the liquid part (fermentation broth) is called biogas fertilizer, while the solid part (fermented sludge) is called biogas residue fertilizer. Biogas fertilizer can be done directly at the end of fertilizer, topdressing, but also with manure, grass, leaves and other mixed made of synthetic fertilizer. Base fertilizer to do dry land should be deep facilities; so paddy field at the end of fertilizer, methane fertilizer can be sprinkled in the field of methane, the turn, rake to mix with the soil. Application of 2,000 kg biogas residue fertilizer per mu is appropriate. Top dressing. Biogas fertilizer and fertilizer suitable for field or irrigated farmland to do top dressing, with the water into the field. Nitrogen nitrogen in biogas fertilizer is easy to evaporate, should be applied in the evening. Soil fertilization after fertilizer fertilizer to timely cover the soil. Where no irrigation conditions, available ammonia fertilizer or ammonia plow water gas