COATED GRAIN AND COMPOUND MANURE CONTAINING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an economically effective plant nutrition for iron supplement in the case of improving the farm land of alkali soil which tends to generate a deficiency of iron. SOLUTION: The coated grain is manufactured by coating the surface of the grain containing an iron compound, the water solubility of which is >=1 g for 25 deg.C pure water of 100 g with a coating material. A compound manure is obtained by mixing the coated grain and manure.