In this paper, the author points but the way how to obtain Masson Pine area by means of Aerial Photo-Interpretation at the plot of area propor tion. Thus providing necessary basis for the scale of comprehensively utilizing plant of Masson Pine root.

• 本文利用航空象片成数点判读与地面样点(或二类调查固定样地资料)检查纠正判读中错误的方法获得总体内马尾松面积,并结合必要的地面马尾松根根量的调查,取得总体内马尾松根资源的数据,为建立马尾松松根综合利用企业的规模提供必要的依据。