Greater Mount Roegneria, partial spike Roegneria seeds as experimental material to low energy ion beam source for the mutation, from seed germination, seedling growth, physiology and biochemistry, production factors and nutrients, the five aspects of these two Roegneria contemporary study the biological effects. The results showed: in the low-dose stimulating effect of nitrogen ion beam, the two Roegneria seed germination, seedling growth, seedling clover content of chlorophyll, soluble sugar conten...