Research on Crop Simulation Model Based on Pda

Crop model simulates growth and yield of crop in field scale and can be used to provide useful field information for farmers, such as irrigation application dates and amount, fertilizer application dates and amount, the choose of crop variety. Researchers have used crop models for many years, but they have had limited success in packaging these complex models in a framework that make them easy for producers to use. In order to provide an efficient and powerful way for delivering crop models to crop producer, a PDA based crop simulation model is designed and implemented. The paper discussed the structure and key technologies of the PDA based crop model. By using the PDA based crop model, farmers can get quick and effective advices from the model. The PDA based crop models are expected to give a new powerful tool to assess the effect of farm practices in crop production.