Soil fertility evaluation of planted forest land on the hilly-gullied Loess Plateau Soil water and nutrients of vegetation communities under different restoration types on the hilly-gullied Loess Plateau Seed Germination Characteristics of 14 species in the Hilly-gullied Loess Plateau of Northern Shannxi Antioxidant properties of plants on different sites in the hilly-gullied Loess Plateau Characteristics of seed rain on abandoned slopes in the hilly-gullied Loess Plateau, Northwest China. Canopy Seed Bank of Six Species in the Hilly-gullied Loess Plateau of Northern Shaanxi