2.欧美类杂交杨人工林立木二元材积表

V=5.028364×10-5D1.884364H0.965895(适用品系:沙兰杨、I214、中荷1号、I-107、L35、T26、T66)(材积:m3)胸径(cm)树高(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胸径( ......（本文共 6608 字 ）     [阅读本文] >>