6.黑楊類人工林立木二元材積表

V=0.000036D1.65127H1.28216(適用品系:I-107楊、I-108楊)(材積:m3)胸徑(cm)樹高(m)55.566.5756789100.0040.0050.0070.0090.0110.0130.0050.0060.0080.0100.0120.0140.0050.0070.0090.0110.0130.0160.0060.0080.0100.0120.0150.0180.0060.0080.0110.0140.0160.020胸徑(cm)樹高(m)7.588.599.5678 ......（本文共 6721 字 ）     [閱讀本文] >>