それは化学肥料よりも安い。
It is cheaper than chemical fertilizers.
change, take the form of, influence, enchant, delude, -ization
カ / ば.ける
study, learning, science
ガク / まな.ぶ
fertilizer, get fat, fertile, manure, pamper
ヒ / こ.える
fee, materials
リョウ / —