Research on Real-time Irrigation Forecasting Model for Deficient Irrigation Based on Crop's Daily Water Demand
Aiming at the shortcoming of existing irrigation forecasting,based on the monitoring data of real-time soil moisture and weather information,a real-time irrigation forecasting model for deficient irrigation was proposed in terms of crop's daily water demand.In the model,the forecasting precipitation and weather type are fully considered,and the methods for irrigation simulation and parameters' amendments are built.The representative crop-winter wheat in north china is chosen as an example.The calculate method for daily water demand of winter wheat under different weather type is put forward,and the steps for real-time irrigation forecasting are given.The results show that the model and method can provide basis for enhancing agricultural water resources benefit and relieving water resources deficit effectively.
cropdaily water demandreal timeirrigation forecastingdeficient irrigation
NETL
NSTL
万方数据
维普
