| 摘要 |
PURPOSE: A method for manufacturing organic fertilizer is provided to produce nutritious organic fertilizer from livestock excretion which abounds with organic matter. CONSTITUTION: A method for manufacturing organic fertilizer comprises the following steps. (a) Livestock excretion collected from a cattle farm is fermented for more than a year to remove a bad smell and moisture (b) Livestock excretion collected from a poultry farm is piled up in the open and stirred for more than three years to remove harmful ingredients. (c) Twenty to 30 parts by weight of livestock excretion from a cattle farm after removing a bad smell and moisture, 10 to 20 parts by weight of livestock excretion from a poultry farm after removing harmful ingredients, 10 to 15 parts by weight of crushed bark of a pine tree, 25 to 30 parts by weight of peat, and 20 to 30 parts by weight of obsolete hardwood used for growing mushrooms are mixed. (d) The mixture is stirred in a kneading machine for 0.5 to 2 hours. (e) The stirred mixture is decomposed for 15 to 30 days. |
