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L
covered sky
h ad
less s
than in cl
aspects
In this
intensity of the light is som
than in lo w lands
h
al t
healthy plants with a good root syst
and for a longer pe
L
ight and shade in
greatest impo
reg
n
ration and t
mixed woods
m
nt of the species must be fully con side
mistakes may be made
resp
ct is
a
require some shelter
shelter
on t
be p
rmanently inj u
in shade for some time
and i t takes some time
r
the inc
ased lig
activity
because fresh organ s
r oduc
must be p
cov
r gradually and not all at onc
shad e for a considerable period
developing into a tre
strong b uds
a r
fe
d
but
may be considered as hopeless
The first question for conside
r e in the ai r i s nec
tu
investigation of this problem meets with gr
becaus
it is oft
r om that of soil moistur
f
Y
O
IT
AND
r on north
o
ar air
r esp
ct it m ust
h of
tre
r iod
r tance in p r actical silvicultu r e
nding of wood s
In each of t
r ly youth
becaus
either against he
h e o ther hand
r
d
or even die
after t
h t p r oduces inc r eased assimilation and Visible
d
In all such cas
of normal siz
found
especially ne
recovery of plants with a
ssary or b
n di
ficul
FO
T V
a spects
rn
under a sunny sky
r emembe r
w
at gr
s is also of importance
than we ak plants
r elation to t r
h ese cas
The most important period in t
at that time several species
is excessiv
th e activity of its leav
h e r emoval of t h e sh
fitt
d for the altered conditions
s
it may no long
a r the top
I
T
r ation i s
eficial to plant life
to separate the ef
nly meag
G
T
TI O
the same species stand s
or on southern
d that the actual
at
r in high mountain s
m stand mor
r owth are of th e
g
especially in
the composition of
s the light require
r ed
a t or frost
the young trees may
n a plant has stood
s i s reduc
is best to r
If the plant has stood in
r be capable of
long as seve
this i s not to be
miserabl
to what extent mois
at di
ect of air moistu
r e d a ta are available
trong
hade
r ious
or se
h is
If that
d
r
lt
b
fore
move
r al
buds
The
ficulty
e
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