Analysis of growth and salt accumulation features of Salicornia europaea under different nitrogen and phosphorus levels Study on tissue cultivation of adventitious roots of Pseudoxtellariae heterophylla Effects of NaCl stress on the seedling growth and K+- and Na+-allocation of four leguminous tree species. Distribution and movement characteristics of soil water and soil salt during evaporation from perforated plastic mulch Study of Tolerance to Salt on Grasses for Lawn in Cold Regions Critical Concentration of Salt Stress in Chrysopogon aciculatus Analysis adventitious shoot polarization and plantlet regeneration of Poplar- Zhonglinmeihe Germfree germination of seeds and rapid prolife-ration in vitro of Cymbidium floribundum