The result shows that: Proper dose of Manganese mixed with seeds or spraying on the leaf can improve the bleeding intensity of the soybean plant, and also improve the ability of water absorbing and the activity of roots.

• 结果表明，适量的锰浸种与叶面喷施可增加大豆植株的伤流量，提高大豆植株主动吸水能力和根系生理活性。