前言杉木是我国特有的用材林树种。它具有生长快、材质好、用途广、产量高的特点,深受人民的喜爱。江华是湖南杉木中心产区之一,素有“江华条子”之称而在全国享有盛名。五十年代后期,国家为了发展用材林,在江华的许多地方营造了杉木林,试图建立实生杉木用材林基地。从 Foreword Cunninghamia lanceolata is a unique species of timber in China. It has fast growth, good material, wide use, high yield, loved by the people. Jianghua is one of the producing areas in Hunan Cedar Center, known as “Jianghua Sliver” and enjoys a good reputation throughout the country. In the late fifties, in order to develop timber forests, the state built Chinese fir forests in many parts of Jianghua and tried to establish a real fir plantation base. From