Abstract: According to the basic principles of agrometeorology and physiology, the authors established a dynamic computer simulation model for simulating photosynthetic production of rice canopies, The model includes 3 submodels, i. e. , that of the dynamic leaf area, the photosynthesis and respiration, and the biomass accumulation and yield formation. By using the model, the dynamic process of rice photosynthetic production was simulated, and also a comparison was made between the simulated results and observed values.

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