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杨树生长预测模型的选择杨志岩（辽宁省杨树研究所）采用辽宁杨、Ｉ—４５／ｓｌ杨、锦县小钻杨６年生生长量材料，对幂函数曲线等方程或模型进行检验及精度比较。结果表明：Ｒｉｃｈａｒｄｓ生长方程是杨树生长预测较理想的模型，适用于杨树整个的生长过程。Ｌｏｇｉｓｔ...
Selection of Poplar Growth Prediction Model YANG Zhi-Yan (Liaoning Province Poplar Research Institute) The 6-year-old biomass of small-bore poplar in Yang-Yang, I-45 / sl and Jinxian were used to test and calculate equations such as power function curve Compare The results show that Richards growth equation is a good model for the prediction of poplar growth and is suitable for the whole growth process of poplar. Logist ...