Socio-Environmental Systems Modeling · 2004 · 12 citations · 1 references
Open access
AgricultureAgronomyCrop SciencesCrop ModelingCrop PhysiologyCropping SystemsAgricultural SystemsCrop DevelopmentCrop RotationCrop Water RequirementsCrop-environment InteractionsEvapotranspiration ModelingAgricultural Production ModelingCrop Growth Model CouplingCrop Growth Simulation ModelsCrop Simulation ModelingLimited Data SetsNutrient Uptake ModelingSoil Nitrogen BudgetingSoil Nitrogen Dynamics
A lowland rice module operating in the APSIM framework was developed based on ORYZA2000. This required rewriting the code to simulate rice physiological processes as intended in ORYZA while using the existing APSIM suite of modules for water and nitrogen. The model can now be used to simulate rotational systems. This paper describes the key features of APSIMORYZA, including its input requirements, interactions with other components of APSIM (e.g. evapotranspiration, soil water balance, soil nitrogen dynamics, etc) and output. We also test the model’s performance against some original ORYZA test data. The future development needs are highlighted. Media summary Based on a standalone rice model (ORYZA2000), APSIMORYZA was developed to allow the simulation of cropping systems including lowland rice. The new module can now be used for cropping system simulations (e.g. intercropping, crop residue management, interaction between crop and soil fertility status). The module has been tested using limited data sets and will be fully validated under different environmental conditions.
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