Effects of exogenous nitric oxide at different concentrations on the growth and physiology of winter wheat seedlings Effect of different water conditions on Panax notoginseng seeds after-ripening and germination physiology Effect of Submergence on Physiological Characteristics of Cyperus rotundus in Hydro-fluctuation Belt of Three Gorges Reservoir Area Physiological responses of different willow’s clones to NaCl stress Effect of Panax notoginseng seedlings physiological response under simulated drought stress by polyethylene glycol(PEG 6000) Advances in studies on growth metabolism and response mechanisms of medicinal plants under drought stress