Abstract: The effect of selenite and soil-extracted fulvic acid (FA) on seed germination of wheat and its growth and that of FA on inhibiting the toxicity of selenite are studied by ed germination test. The results show that FAand low concentration Na₂SeO₃ can promote the seed germination of wheat and its seedling growth, while high concentration of selenite reduces the germination rate of seed. its vigor and α-arnylase activity, and the growth of seedling markedly. FA has a definite effect on the inhibition of selenium toxicity.

Key words: Wheat, Fulvic acid, Selenium, Seed germination, fruit quality, apple, utilization, absorption, ¹⁵N-urea, loss, nitrogen level