Dynamic Responses of UV-absorbing Compounds and Osmotic Adjustment Substances of Lespedeza davurica to Drought and Enhanced UV-B Radiation Changes of Osmotic Adjustment Substances and Activities of Protective Enzymes in Sedum spurium Coccineum’ Introduced to Xigaze,Tibet Effects of LCO and TH17 on the Yield and Protective Enzyme Activities of Oat under Drought Stress The physiological mechanisms through which exogenous H2O2 increases the resistance of Avena nuda to salt stress Physiological responses of the desert shrub Hedysarum mongolicum to drought stress Response of UV-absorbing Compounds and Osmotic Adjustment Substances of Three Lespedeza species to Drought and Enhanced UV-B Radiation A study on the physiological and biochemical characters of different Stipa grandis geographical populations Effect of Salt Stress on Osmotic Adjustment Substances in Plants