用轮尺或围尺测量,以cm为单位,量至mm。...[继续阅读]

    V=0.000058777042D1.9699831H0.89646157(材积:m3)胸径(cm)树高(m)33.544.55456789100.0020.0040.0050.0070.0090.0120.0150.0030.0040.0060.0080.0110.0140.0170.0030.0050.0070.0090.0120.0150.0190.0030.0050.0080.0100.0140.0170.0210.0040.0060.0080.0110.0150.0190.023胸径(cm)树高...[继续阅读]

    适用于杉原条和其他树种的原条(如马尾松原条、阔叶树原条等)商品木材材积计算。(1)检尺径自10cm以上的杉原条材积计算公式为:(2)检尺径为8cm的杉原条材积由下列公式确定:式中:V——材积(m3);　　L——检尺长(m);　　D——检尺径(...[继续阅读]

    V=5.588911×10-5(D2H)0.9235978(适用品系:I69/55、I63/51、I72/58)(材积:m3)胸径(cm)树高(m)44.555.5656789101112130.0040.0040.0060.0080.0050.0070.0090.0120.0140.0050.0070.0100.0130.0160.0190.0230.0060.0080.0110.0140.0170.0210.0250.0290.033胸径(cm)树高(m)6.577.588.5678910111213...[继续阅读]

    V=-2.554327×10-3+7.426068×10-4D+3.316892×10-5(D2H)0.986431(材积:m3)胸径(cm)树高(m)33.544.55567891011120.0040.0050.0070.0040.0060.0080.0040.0060.0090.0110.0140.0170.0050.0070.0090.0120.0150.0190.0050.0070.0100.0130.0170.0200.0240.028胸径(cm)树高(m)5.566.577.550.0050...[继续阅读]

    V=0.000047D1.79211H1.11376(适用品系:旱柳、J172柳、J333柳等)(材积:m3)胸径(cm)树高(m)55.566.5756789100.0050.0070.0090.0120.0140.0170.0060.0080.0100.0130.0160.0190.0060.0090.0110.0140.0180.0210.0070.0090.0120.0160.0190.0230.0070.0100.0130.0170.0210.025胸径(cm)树高(m)7.588.599.56...[继续阅读]

    V=0.000053403288D1.8080721H1.0724207(材积:m3)胸径(cm)树高(m)33.544.55456780.0020.0030.0040.0060.0070.0030.0040.0050.0070.0090.0030.0040.0060.0080.0100.0030.0050.0070.0090.0120.0040.0060.0080.0100.013胸径(cm)树高(m)5.566.577.54567891011121314150.0040.0060.0080.0110....[继续阅读]

    V=3.789537×10-3+3.336261×10-5D2H(材积:m3)胸径(cm)树高(m)33.544.55567891011120.0060.0070.0090.0100.0070.0080.0100.0110.0070.0090.0100.0120.0150.0170.0080.0090.0110.0130.0160.0190.0220.0250.0080.0100.0120.0140.0170.0200.0240.028胸径(cm)树高(m)5.566.577.55678910111213...[继续阅读]

    V=0.000091972184D1.8639778H0.83156779(材积:m3)胸径(cm)树高(m)33.544.55456789101112131415161718192021220.0030.0050.0060.0090.0110.0140.0170.0200.0240.0270.0310.0360.0400.0450.0500.0550.0610.0670.0730.0030.0050.0070.0100.0130.0160.0190.0230.0270.0310.0360.0410.04...[继续阅读]

    V=0.000062341803D1.8551497H0.95682492(材积:m3)胸径(cm)树高(m)33.544.55456789101112130.0020.0040.0050.0070.0080.0110.0130.0150.0180.0210.0030.0040.0060.0080.0100.0120.0150.0180.0210.0240.0030.0050.0070.0090.0110.0140.0170.0200.0240.0270.0030.0050.0070.0100.0120....[继续阅读]