THE PHOTOSYNTHETIC CHARACTERISTICS IN LEAVES OF Liriodendron chinense SEEDLINGS IN MT LUSHAN THE ENERGY FLOW AND ITS UTILIZATION EFFICI ENCY OF THE THREE FOREST COMMUNITIES IN DING HUSHAN NATURAL RESERVE The Biomass and Solar Energy Utilization Efficiency in Zenia insignis Forest The relationship between energy consumption and carbon emissiont with economic growth in Liaoning Province Effect of different plant-row spacing on population structure and PAR interception in summer soybean A STUDY ON SOLAR ENERGY UTILIZATION EFFICIENCY OF AGROFORESTRY SYSTEM Mathematical Simulation and Design of Cylindrical Cavity of Microwave Pretreatment Equipment Used for Wood Modification Solar Energy Utilization Efficiency of the Man-Made Forests in Heshan, Guangdong, China Algorithm improvements for two important parameters of FPAR and maximum solar energy utilization efficiency