The experiment was conducted with Mains hupenensis seedlings on different stress of znic solution under solution cultivation. The results showed that, among the treatment of five kinds of different stresses, it is the highest that the fresh weight and dry materials accumulation in the second treatment, which indicates that this treatment is more propitious for growth of Mains hupenensis seedlings than the other four treatments; Also the change of rhizosphere pH was not affected by strength of znic solution,...