A southwest Asian perennial herb (Medicago sativa) having compound leaves with three leaflets and clusters of usually blue-violet flowers. It is widely cultivated as a pasture and hay crop.
European perennial grass widely cultivated for pasture and hay and as a lawn grass.
欧洲多年生草，广泛栽培用作牧草、干草和草坪草。
3
The conclusions as follows: the cultivated land and pasture land are the main land use types, and the unused land area is much and other land use area is small.