| abstract |
PROBLEM TO BE SOLVED: To provide a fertilizer excellent in fertilizer efficiency and adaptable to a fertilizer application machine using a safe and inexpensive phosphoric acid source derived from a natural product, which relates to a molded fertilizer containing guano. Let it be an issue. A guano-containing molded fertilizer is prepared by mixing guano with one or more raw materials selected from carbohydrates, organic acids, and clay minerals. In addition, guano, containing one or more materials selected from carbohydrates, organic acids, and clay minerals with a microorganism capable of dissolving a poorly soluble phosphate, further improves the fertilization effect. Get shaped fertilizer. |