Effects of Sea Water at Different Concentrations on the Photosynthesis and Chlorophyll-Fluorescence Properties of Oil Sunflower Seedlings Effects of seawater with different concentrations on growth and physiological and biochemical characteristics of Helianthus tuberosus seedlings Response of Aloe vera Seedlings to Seawater Physiological Responses of Different Tolerance Spinach to Seawater Stress Effects of phosphorus application on ion distribution in aloe seedlings under seawater stress Effects of Seawater Stress on Photosynthetic and Antioxidant Characteristics in Portulaca oleracea Effect of Nitrate with Seawater Stresses on Photosynthetic Characteristics and Ionic Content in Catharanthus roseus Seedlings Abating Effect of Calcium Ion on Seawater-stressed Jerusalem Artichoke (Helianthus tuberosus L. )