As with food rice, it's important that each has a suitable cultivating environment, including the climate and soil (area adaptive nature), so the difference in quality occurs depending on the growing district even if the breed is the same.
食用米と同じように、気候・土壌などそれぞれに好適な栽培環境があること（現地適応性）も重要な性質の一つで、同種であっても産地によって品質の違いが生まれる。