semi arid region 第1页

A research review on "fertile islands"of soils under shrub canopy in arid and semi-arid regions Relationship between root system characteristics and drought resistance of wheat populations in semiarid region Mechanisms in the accumulation and movement of mineral N in soil profiles of farming land in a semi-arid region Solid Collocation of Water Collected Shrub Grass and Water Regulation in Semi Arid Region of Loess Plateau