Table 2. The eight stem weight equations in
C. obtusa
and
C. japonica
stand.
Equations(variable D only)
Equations(variables D and H) (1)
W
=
a
+
bD
2
(1)
W
=
bD
2
H
(5)
W
=
aD
+
bD
2
(2)
W
=
a
+
bD
2
H
(6)
W
=
a
+
bD
+
cD
2
(3)
W
=
a
(
D
2
H
)
b
(7)
W
=
aD
b
(4)
W
=
aD
b
H
c
(8)