Ajania tenuifolia is one of the main species of invasion weeds on artificial Elymus nutans grassland in Haibei. For the sake of proving that the relationship of allelopathy exists in the natural degeneration process of artificial E.nutans grassland, the experiments of intrespecific inhibitory effect of E. nutans interspecific inhibitory and stimulated effects between E.nutans and Ajania tenuifolia)inhibitory effects of various metabolites of A. Tenuifolia on the seeds germination and seedling growth of Elym...