Advertisement
or certain exotic species
a
plicat
This underplanting had best be done in the case of l
the age of
and of oak at
This system O
the greatest latitude for the protection of thre
whether in singl e trees or in gro ups
standard s may regenerate th emselves naturally
part are produced by planting strong pl
a rd s h a ve been removed
stand
TI O N
F ORMA
a ndis
bies gr
to
years
to
years
r
h
d
rpl
L
ers
in the regener
IX
M
D
such as
ouglas fir
T s
ga
of
cotch pine at
or even later
d
h
s
A
O OD
itka spruce
lbertiana
and o thers
to
r
d
s
N
a tion of the over wood
a tened species
lthough some
a nts where m ature
a rch at
years
l
d
the
the greater
Advertisement
