IRON FEEDING MATERIAL AND IRON FEEDING METHOD

摘要

PROBLEM TO BE SOLVED: To provide an iron feeding material that has high safety, has excellent economical efficiency, and simultaneously can generate fulvic acid iron at a fast rate.SOLUTION: An iron feeding material comprises leaf mold, carbon material, and also iron material whose oxygen content is 1 mass% or less, wherein the carbon material and the iron material contact with each other at least partially.