PROBLEM TO BE SOLVED: To improve a seed coating material.SOLUTION: The seed coating material has at least one of slag, burned ash, a farm soil ground product, and a glass ground product as the main component.SELECTED DRAWING: Figure 1【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、焼却灰、圃場土粉砕物、及び、ガラス粉砕物のうちの少なくともいずれか1つを主成分とする。【選択図】図1