Changes of Photosynthesis and Physiological Index in Vetiveria zizanioides under Heat and Drought Stress Effect of Living Environment of Wood Material on Mammal Physiology Index Study on root system development and drought resistance of sorghum and millet A Preliminary Study on the Evaluation in Cold Resistance of Provenances of Black Wattle Effect of heat stress on lily physiology at seedling stage Physiological Characteristics of Three Elymus Grass under NaCl Stress Transformation of BADH Gene into Maize and Salt Tolerence of Transgenic Plant Analysis of heat tolerance in Poa pratensis produced by heat stress