| 摘要 |
PROBLEM TO BE SOLVED: To solve such conventional problems about the utilization of poultry manure as a soil conditioner or a fertilizer that, when poultry manure is spontaneously dried in the sun or forcibly dried by using a fuel, a malodor is emitted; the treating time is long; and the treating cost is high and that, when poultry manure is fermented, a harmful gas is generated by the fermentation. SOLUTION: This soil conditioner comprises a main ingredient prepared by mixing poultry manure, calcium silicate and/or calcium carbonate, and conc. sulfuric acid and an auxiliary ingredient comprising powdered unpolished rice and an enzymatic decomposition residue of soy beans. |
