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Simulation for Dry Matter and Leaf Area of Rape Population in the Middle Reaches of Yangtze River

WANG Bao-qing1,CAO Hong-xin2,ZHANG Chun-lei3 (1.Crop Research Institute,Shandong Academy of Agricultural Sciences,Jinan 250100,China;2.Institute of Resources and Environment,Jiangsu Academy of Agricultural Sciences,Nanjing 210014,China;3.Institute of Oil Crop Research,China Academy of Agricultural Sciences,Wuhan 430062,China)  
The simulation models were built based on the principles of eco-physiology and the changing laws of dry matter accumulation and leaf area index for winter oilseed rape.They were calibrated by weather data and experiment data of Zhongyouza 2 in Wuhan area,and their correlation coefficients between the simulated and the observed values were 0.9936(r0.01=0.834) and 0.9863(r0.01=0.708) respectively,both reached significant level.
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