4
3
A
successf
ul
spr
ay
appl
icat
ion
does
not
depend
onl
y
on
a
good
spr
ayer
or
cor
rect
use
of
t
he
chemi
cal
s
but
al
so
on
fact
or
s
to
be
det
er
mi
ned
in
the
fi
el
d
under
speci
al
ized
or
ient
at
ion.
Among
these
fact
or
s,
some
concept
s
shoul
d
be
par
t
of
a
cr
it
er
ion
of
eval
uat
ion
so
that
posi
ti
ve
resul
ts
may
be
at
tai
ned
wi
thi
n
the
pest
cont
rol
pr
ogr
am.
-I
d
e
a
l
t
i
m
e -
Appl
icat
ion
rat
e
-S
a
f
e
t
y -G
o
o
d
c
o
v
e
r
a
g
e
-S
p
r
a
y
e
r
o
p
e
r
a
t
i
o
n
a
l
c
o
n
d
i
t
i
o
n -W
e
l
l
t
r
a
i
n
e
d
o
p
e
r
a
t
o
r
I
D
E
A
L
T
I
M
E
The
ideal
t
ime
for
spr
ayi
ng
shoul
d
be
chosen
accor
di
ng
to
the
chemi
cal
pr
oduct
char
act
er
ist
ics,
as
wel
l
as
to
the
fi
el
d
condi
ti
ons:
-Inf
est
at
ion
level
of
pest
s,
di
seases
and
weeds;
-Inf
ect
ion
level
of
di
seases;
-G
r
o
w
i
n
g
s
t
a
g
e
o
f
w
e
e
d
s
;-Weat
h
e
r
c
o
n
d
i
t
i
o
n
s
.
S
A
F
E
T
Y
When
spr
ayi
ng
your
cr
ops,
you
must
make
sur
e
ther
e
wi
ll
be
no
ri
sk
to
peopl
e,
ani
mal
s
and
envi
ronment
.
Avoi
d
spr
ayi
ng
at
hot
ter
t
imes,
wi
th
humi
di
ty
bel
ow
55%
or
under
wi
ndy
condi
ti
ons.
D
o
n
o
t
a
l
l
o
w
t
h
e
o
p
e
r
a
t
o
r
t
o
h
a
n
d
l
e
c
h
e
m
i
c
a
l
s
a
n
d
s
p
r
a
y
i
n
g
m
a
c
h
i
n
e
r
y
w
i
t
h
o
u
t
t
h
e
p
r
o
p
e
r
indi
vi
dual
pr
ot
ect
ive
cl
ot
hi
ng.
C
O
R
R
E
C
T
A
P
P
L
I
C
A
T
I
O
N
R
A
T
E
Any
type
of
appl
icat
ion
requi
res
that
the
rat
e
be
mai
nt
ai
ned
dur
ing
the
whol
e
spr
ayi
ng
wor
k.
Thi
s
wi
ll
be
possi
bl
e
when
you
have
a
good
spr
ayer
pr
oper
ly
cal
ibr
at
ed.
Thi
s
cal
ibr
at
ion
can
be
obt
ai
ned
thr
ough
pr
act
ical
met
hods
or
f
or
mul
as.
Pl
ease
ref
er
t
o
the
s
e
c
t
i
o
n
O
P
E
R
A
T
I
O
N
A
N
D
A
D
J
U
S
T
M
E
N
T
S
-
C
A
L
I
B
R
A
T
I
N
G
T
H
E
S
P
R
A
Y
E
R
.
G
O
O
D
C
O
V
E
R
A
G
E
You
have
a
good
cover
age
when
the
whol
e
tar
get
i
s
spr
ayed
wi
th
uni
for
m
di
st
ri
but
ion,
wi
th
no
ri
sk
to
the
envi
ronment
and
wi
th
good
resul
ts
in
the
pest
cont
rol
.
The
appl
icat
ion
rat
e
does
not
have
inf
luence
on
the
tr
eat
ment
r
esul
ts.
Ther
ef
or
e
good
cover
ages
can
be
at
tai
ned
even
wi
th
di
ff
er
ent
r
at
es,
whi
ch
may
var
y
accor
di
ng
to
oper
at
ional
and
regi
onal
fact
or
s.
I
M
P
O
R
T
A
N
T
!
R
E
A
D
C
A
R
E
F
U
L
L
Y
A
N
D
F
O
L
L
O
W
S
T
R
I
C
T
L
Y
T
H
E
I
N
S
T
R
U
C
T
I
O
N
S
O
N
T
H
E
C
H
E
M
I
C
A
L
S
M
A
N
U
F
A
C
T
U
R
E
R
'
S
L
A
B
E
L
.
A
L
W
A
Y
S
F
O
L
L
O
W
D
I
R
E
C
T
I
O
N
S
O
F
A
T
E
C
H
N
I
C
I
A
N
W
H
E
N
H
A
N
D
L
I
N
G
A
N
D
A
P
P
L
Y
I
N
G
C
H
E
M
I
C
A
L
S
.A
L
W
A
Y
S
M
A
K
E
S
U
R
E
T
H
E
S
P
R
A
Y
E
R
I
S
I
N
G
O
O
D
O
P
E
R
A
T
I
O
N
A
L
C
O
N
D
I
T
I
O
N
S
B
E
F
O
R
E
S
T
A
R
T
I
N
G
T
H
E
S
P
R
A
Y
I
N
G
J
O
B
A
N
D
E
M
P
L
O
Y
A
W
E
L
L
T
R
A
I
N
E
D
O
P
E
R
A
T
O
R
.
O
P
E
R
AT
I
O
N
A
N
D
A
D
J
U
S
T
M
E
N
T
S
S
P
R
AY
A
P
P
L
I
C
AT
I
O
N
T
E
C
H
N
O
L
O
G
Y
