Yield Potential and Water Requirement of Aerobic Rice in Beijing Analyzed by ORYZA2000 Model The Impacts of Climate Changes on Rice Production in the Middle and Lower Reaches of the Yangtze River Determining suitable sowing dates for aerobic rice in Beijing area using the ORYZA2000 model Validation and adaptability evaluation of rice growth model ORYZA2000 in double cropping rice area of Hunan Province A Simulated Study on the Effects of Seasonal Drought on Growth and Yield of Double Cropping Rice in Hunan Province Preliminary Approach on Adaptability of ORYZA2000 Model for Aerobic Rice in Beijing Region