FERTILIZER MIXTURE CONTAINING GRANULAR OYSTER SHELL

摘要

PROBLEM TO BE SOLVED: To obtain a granular fertilizer mixture easily disintegrating in water and soil. SOLUTION: This granular fertilizer mixture is produced by mixing finely crushed oyster shell with one or more fertilizers selected from phosphatic fertilizer, humic fertilizer and magnesium fertilizer at proper ratios, adding a water- soluble binder to the mixture and granulating the product. The fertilizer mixture has uniform particle form and is easily disintegrating in water and soil to exhibit excellent effect on the growth of crops.