2.歐美類雜交楊人工林立木二元材積表

V=5.028364×10-5D1.884364H0.965895(適用品系:沙蘭楊、I214、中荷1號、I-107、L35、T26、T66)(材積:m3)胸徑(cm)樹高(m)33.544.55567891011120.0030.0040.0030.0050.0070.0080.0040.0060.0080.0100.0120.0150.0040.0060.0080.0110.0140.0160.0200.0230.0050.0070.0090.0120.0150.0180.0220.026胸徑( ......（本文共 6608 字 ）     [閱讀本文] >>