Saihanba in Hebei Province was once a desert, but now it has become the biggest man-madeforest in China.
河北省的塞罕坝曾经是一片沙漠，但现在它已经成为中国最大的人工林。
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Our man-madeforest growing stock per hectare poses/ records only 49 cubic meters that equals only over 3 cubic meters per Mu.
我国人工林森林蓄积量每公顷只有49立方米，也就是一亩地只有3点几个立方米。
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Result shows, This competition index is suitable to Chinese fir man-madeforest, and individual tree growth model accords with the demands of accuracy, it can be used to estimate growth of stands.