PROBLEM TO BE SOLVED: To improve a seed coating material.SOLUTION: The seed coating material has at least one of slag and burned ash as the main component, and is subjected to treatment for reducing harmful components in the main component.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】種子コーティング材のさらなる改良【解決手段】スラグ及び焼却灰の少なくともいずれかを主成分とし、前記主成分中の有害成分を低減する処理が行われている。【選択図】図1