一、桉树的生长情况调查 (一)调查方法将调查区内各桉树采集标本一一编号,鉴定学名,以获得正确名称及株数。测定各桉树的立木材积,用钢卷尺测定各桉树的胸围,换算出胸高直径,用徐州黄山仪器厂生产之SC—Ⅰ型测高器测定各桉树的树高,利用材积表算出每株桉树的平均材积,由树龄计算各 First, the eucalyptus growth survey (A) survey method Eucalyptus collection area of ​​the survey sample one by one, identification of scientific name, in order to obtain the correct name and number of strains. The erected timber volume of each eucalyptus was measured, the chest circumference of each eucalyptus was measured with a steel tape measure, and the diameter of the chest height was calculated. The height of each eucalyptus tree was measured with a SC-I type height tester manufactured by Xuzhou Huangshan Instrument Factory. Average volume, calculated by tree age