Fundamentally study on mathematical kinetic model of component extraction from FTCM A DISCUSSION ON CHLOROPHYLL FLUORESCENCE INDUCTION PARAMETERS AND THEIR MEASUREMENT The Photosynthesis Characteristics Analysis on a Yellow Green Maize Photosynthetic Characteristics of Two Superhigh-yield Hybrid Rice Chlorophyll Content and Chlorophyll Fluorescence Kinetics Parameters of Flag Leaf and Their Gray Relational Grade with Yield in Wheat