Photosynthetic characteristics of Saposhnikovia divaricata in different habitats in summer Genetic variability and interrelationships of mainly quantitative traits in Glycyrrhiza uralensis cultivated population Studies on Photosynthetic Characteristics of Three Clones of Catalpa bungei under Various Salt Stress Study on the relationship between the soil nutrient elements and the apple fruit quality of the newly reclaimed apple orchard in Taihang mountain gneiss area Comparative study on photosynthesis of medicinal plant Saposhnikovia divaricata in different periods Yield Components of Super Wheat Cultivars with Different Types and the Path Coefficient Analysis on Grain Yield