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r ench to s
t
placed into
The s
ed i s sown by
ith a rake
with water
o
upper edge of
moistur
of water
rainfall variable
the ditch and alon g one of the upp
scanty rainfall
r
yea
latter
h od is indicated in dry hot localities
The m et
irrigation is practicable
adopted only in cas
yi
ld satisfactory
trench sowing
and is not applicable whe
This method is
It is advisabl
being to raise the se
the soil to a mo
r upted ridges
inter
ridges or mounds a
surface soil
the ditches run along
mounds
the ea
sid
or from a trench sur
h er
a mode
be dug
and
mediate spaces
s e
d is sown
The s
d
PAR
r ve as a s
r eviously m ade trench
p
h and and cover
h
r
the trenc
r i rr igat
d
ditch (
p
rcolation
r igation water is not available
s
ed may be sown both at the bo ttom of
the former will succeed
s
h
r esults
r
but it f
r
in
cas
d
r e complete action of the air
j ust as patc
r e fo r med
r by
or bett
i
r th m ay be taken f r om an excavation on on e
r ate el evation su
excavated eart
thus forming elevat
sown densely and not too early in spring
TI AL
I N
O
r b
d
o
h es can be filled artificially
the seed is f
so that it
h o ut being destroyed by an excess
wit
r edges
it is exp
re a ch eaper m
The pit m
quently yi
lds less favourable results
r e irrigation is contemplated
vers
of the one described under
of wet or h
above the wate
h
s ar e interrupted st
r by drawing together the
eithe
xcavation s
her one or both sid
r ounding the mound
fices
h sp r
d platfo
on page
tter still
it i s at once
h er by hand or
d eit
r equently sown on the
r eceiv
In the case of a
and in case of a wet
nsive
thod is not likely to
thod is cheaper than
avy soil
r level
and to expose
In the case of ridges
s
in the case of
parallel ditches may
ad evenly over
r m s on which the
s su
cient
and the
and where
h ould be
it s
the obj ect
M ound s are
r ips
The
inter
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