一、香椿经营利用历史和 经济价值 香椿是一个经济价值很高的树种,分布广,生长快,适应性较强,用途多,深受群众喜爱,各地栽植较多。长江以北、黄河流域各省(市)栽植香椿,多供采芽食用,用材却居其次。我国古代多用香椿木制琴,如《左传·襄·十七》(约公元前四世纪)记载,“孟庄子斩其(木筍),以为公琴”。(木筍)即香椿。将香椿作为经营树种 First, the Toon management and utilization of historical and economic value Toon is a tree species of high economic value, widely distributed, fast growth, adaptability, versatility, loved by the masses, planting more around. To the north of the Yangtze River, the provinces of the Yellow River Basin (cities) planted toon, more for mining buds, timber is second. In ancient China, we used many toon wooden pianos such as Zuo Xiang (17th Century) (about the 4th century BC) and “Meng Zhuangzi cut it (bamboo shoots) and thought it was a piano.” (Bamboo shoots) that is toon. Toon as a management tree species