Morphological and physiological responses of current sophora davidii seedlings to drought stress Growth, accumulation and partitioning of biomass, C, N and P of Sophora davidii seedlings in response to N supply in dry valley of upper Minjiang River Niche characteristics of dominant populations of Sophora davidii community in loess gully region Seed size and germination strategy of Sophora davidii under drought stress Study on interspecific association in course of Sophora davidii communities recovering in Loess Plateau hilly region