Mr. Liang from Shijiazhuang City, Hebei Province, asked him where biogas is popularized. Many households use biogas residue. Why are some effective, some not effective, and some seedlings are hurt? Why is this?
A: Biogas residue is the residue of biogas fermentation, and its nutrient content is related to the raw material and ratio of fermentation. Biogas fermentation ingredients are mainly human and animal excreta and straw. The properties and effects of fertilizers are similar to that of manure, but higher than manure. Biogas residue fertilizers are generally safe. To eliminate the poisonous substances of reducing substances, it is best to dry them before use. As for the effect of different fertilization, it may be related to the quality and application amount of biogas residue, and the general Mushi application is 1500-2500 kg, mainly used as base fertilizer.
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