Effects of Molybdenum on Photosynthetic Characteristics in Winter Wheat under Low Temperature Stress Competition for light and crop productivity in an agro-forestry system in the Hilly Region, Shangluo, China Researches on photosynthetic characteristics of exotic plants Wedelia trilobata,Pharbitis nil and Ipomoea cairica Seasonal Variation and Correlation with Environmental Factors of Photosynthesis and Water Use Efficiency of Juglans regia and Ziziphus jujuba Photosynthetic characters of Quercus acutissima from different provenances under effects of salt stress. Threshold Effect of Photosynthesis in Forsythia suspense to Soil Water and its Photosynthetic Productivity Grading in Spring and Summer Effects of light competition on crop productivity in an intercropping agroforestry ecosystem Photosynthetic response of maize and soybean to the microclimatic in an agroforestry system Effect of Different N, P, K and Organic Fertilization Rates on Growth and Yield of Actinidia chinensis‘Hongyang’ Effect of the pH value on switchgrass seedling growth and development in hydroponics Effect of branch and stem pruning on photosynthetic characteristics of Platanus acerifolia L.