１沼肥的施用沼渣宜作基肥，沼液宜作追肥。沼渣作基肥一般亩用量２５００公斤左右。沼液作追肥可以直接施入土壤中，也可以作叶面喷施。作叶肥施用时应选正常发酵沼气池的沼液，一般用纯沼液，但在夏天气温高时应适当兑水，早晚喷施。２沼液浸种用于种子处理具有催芽和刺 1  biogas biogas residue should be used as a base fertilizer, biogas slurry should be topdressing. Biogas residue for the general amount of mu 2500 kg. Biogas slurry for topdressing can be applied directly to the soil, can also be used as foliar spray. For foliar application should be selected normal fermentation biogas digester, generally with pure biogas slurry, but in the summer when the temperature should be watered appropriately, sooner or later spraying. 2  soaking liquid fertilizer used for seed treatment with germination and thorns