Effect of branch and stem pruning on photosynthetic characteristics of Platanus acerifolia L. Effects of different light transmission rate on American ginseng‘s photosynthesis The Effect of Light Intensity and Water Flow Resistance on Transpira-tion Oscillation in Young Wheat Leaves A new method to measure and calculate light intensity and light quality simultaneously by using portable spectrometer Spatiotemporal distribution patterns of photosynthetic photon flux density, air temperature, and relative air humidity in forest gap of Pinus koraiensis-dominated broadleaved mixed forest in Xiao Xing’an Mountains. Spatiotemporal distribution pattern of photosynthetic photon flux density in forest gaps of Korean pine broadleaved mixed forest. Diurnal Variations in Gas Exchange of Aspen, Hazelnut,Jack Pine and Black Spruce Photosynthetic characteristics of Gynostemma pentaphyllum under shade CHANGES OF BAMBOO LEAVE’S PN AT DIFFERENT POSITION IN THE CANOPY