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a special work o n t
tion may
situated in the highest part of the ar ea
and
land may be caused by ove
colation
in the latter case
filled
and no more
re extensive
trenches must be carefully l aid out
r event the bursting of the ch a nnel s and the silting up of
to p
the trenches
T M
TR
A
Cases occur in which accumulation s of vegetable m
have to be disposed of
be taken in hand
because they are so thick that the seedlings cannot reach the
mineral soil within
of drying up
again
they may be accomp
to dry up too quickly
The following c
To render a peat bog fit for the growth of timber trees
one or all of t
raining
emoval of at least a portion o f the pe
M ixing the peat with the mineral soil
The draining is done in the manner d
however
desirable to do this gradually
a t may dry by degrees
pe
r acks
sive c
s
PR
L
h e
described as the
would rep
the distributing t
a reas are to be ir r igated
T
N
X
uch accum
a reasonable space of time
or they may have become acid
a ses specially interest the forester
h e following Operation s must be c a r r ied o ut
The feeders should at firs
k
R
x
I M I NARY
In a general way
r ev
rse of draining
r esent t h e main supply channel
r enches
r
ow from the trench
r enches would only be j ust
the t
with a suitable fall
I V
U M UL A TI ON
M A TT
R
r e the fo r mation of a wood c a n
befo
lations may be obj ectionable
a nied by swampiness
P
r event t h e fo r mation of exten
to p
Tr
s
ORK
watering of
the channel s
and run
or bitumino us
t
scribed above
so t
at the layers of
be of mode
l
r
r iga
ir
thus in
the leaders
s
o r by per
a nd
so as
V
T AB L
G
a tter
r isk
or b e liable
it is
r at
I
d
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