The object of study in this paper is the sown seedlings of Robinia pseudoacacia, Amorpha fruticosa and Hippophac rhamnoides, which are in the best static treatment parameter. By using Logistic equation and t-test, the growth law of annual hight and the other growth charaiters of three kinds of nursery stocks were analysed and appraised. The results showed that the growth effect of the nursery stock for static treatment of wood seeds has raised the rate of emergence, and changed the anunual growth law; advancing and shortening speedy growing time, incrensign instantaneous growth velocity, raising counter-resistance, and also improved growth characters of the nursery stock as well as increased the organism measare. The author explores a feasible new channel for raising per unit yield and the quality of nursery stocks.