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the number of t
r al thousand s to a comparatively small number at
seve
maturity
it follows that
advancing age
point gave the r
of
cotch pine
quality
Th
se data
between the ages o f
r adually up to the age of
g
M any tre
a wood
assuming that t
L
ight demanding species requi
r e r s
r oad
bea
b
above tabl
r
quires con sid
r uc
bearing sp
h ough it stands less s h ad
alt
r ing the g r owing space of
Co
pa
r ch wit h t h at o f sp r uc
and bi
r oportion is abou
p
nti
some time past mid dl
r g
la
r on poor than on
disapp
ars
commenc
s ea
h is r espect
soil
In t
the various speci
T
M O
U
r ees per ac r e decr
though not evenly
sults shown in the above table for pu
spruce
beech and oak grown on soils of first
how that
r equirement of space is v
increased
s must be removed d u
s life
and compa
h e area is to remain fully stock
leaved species more than conifers
shows that the ligh t demanding
rably more g
h e latt
t
r eason is that
r li
r and i s mo r e
considerable di
s
IT ABL
RO
growing space increas
and
r atively
r e mo r e space than s h ade
r o
ing space than the shad e
r l
ss than
e
to
age
r ic h soil
afte
ergetic on goo d than on poo
I N
PA
ases gradually f
tatistics collected on this
years
it then falls
years
r ing the earlier part of
lat
r on
broad
leav
cotch pine
ch
and silve
r o f t r ees is
th e numbe
r wa r d s the di
str
ggl
for
r ences exist betw
r om
s wi th
r e wood s
r y g r eat
alway s
d
h pine
co
c
h
d be
c
r c h
la
oak
r fir
the
erence
xist
nce
r
en
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