Plasticity of Morphological and Physiological Traits in Caragana korshinskii under Different Habitats of Water Wind Erosion Crisscross Region of the Loess Plateau Effects of chloride on growth, photosynthetic traits of canola seedlings The Interactive Effects of Growth Light Condition and Nitrogen Supply on Maize( Zea mays L.) Seedling Photosynthetic Traits and Metabolism of Carbon and Nitrogen The D ifferences of Growth and Photosynthetic Tra its of Five Shrubs Spec iesfrom Two Or ig ins in the Northea stern Ulanbuh Desert Comparison of Photosynthetic Characteristics in Soybean Cultivars with Different Phosphorus Efficiencies Selection of Seedling Growth and Photosynthetic Traits Assistant Evaluated Factors in Betula platyphylla Half-sib Families Effects of Four Chemical Regulators on Chilling Tolerance and Photosynthetic Characteristics of Tobacco Seedlings Traits of Canopy Photosynthesis and Its Influencing Factors of Summer-sowing Millet(Setaria italica Beauv.)