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If an
wood exists
r a nd a ha r dy species
a tende
be sown or plant
shelter
wood i s no lo
second
hardy species pl anted in
for in stanc
h o r
larc
ouglas fi
If no
shelter
r st
cultivat
d fi
r y shelter
the necessa
this way birch
shelter
wood s ( nurs
In regenerating a mixed wo od
the shelter
wo od should be compo sed of trees of the seve
p
cies in such proportion as to s
the new crop
reproductive power
sideration
more especially the size and quantity of the seeds
r equency
the f
in early youth
r diness
ha
the nature of the germinating bed
r eady du r ing the last thinnings
l
arranged as to lead to a proper proportion of the mother t
r oces s is continued
This p
r eparatory stage
p
completed by
In many cases
r al species do not seed in the same yea r
the seve
cases
the seeding cutting must be mad
seeds which is to form the bulk
r e di
the mo
not produced a su
or fail to do so within a few years afterwards
r tificial assistance
a
TI ON
F O RMA
and
d alone under the shelte
ger
wher
beech i s to be mixed with
r
wood is available
and when it has advanc
the tend
cotc
pine
s
for beech
r mining that proportion
In dete
the species m ust be t
s
ed years
th
ir capacity of bearing cover
seeding cutting
r eat di
a g
cult to rear
ficient proportion of seedlings beforehand
generally by planting them
IX
M
D
a new mixed wood
is to
created
r
quir
d
it i s removed
This method i s followed
then th e hardy species i s
d su
r species is introduced
r ch are planted to serve as
and la
silver fir
it is of first importance that
cure the desi
the height growth of the species
and if possible completed
r any circum stances
nde
ficulty arises f
the new crop
the other
O OD
consisting of
the former may
r
wood
then
cotch pine
ci
ntly to provide
and oak
r ed mixture in
the relative
a ken into con
their degree
etc
the cuttings can be so
r om the fact that
when that species
or which is
pecies
if they have
must receive
when
and the
In
r al
r ees
d uring
it must be
In such
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