Seed Hawk GRANULAR AND LIQUID TANKS 2009 - Manual (Page 35)

Seed Hawk Manual Granular and Liquid Tanks Page 33
FIG.18
5.8 LIQUID FERTILIZER APPLICATION RATES
JOHN BLUE
®
PUMP
Perform the following steps to
ensure that the liquid fertilizer
pump is calibrated properly:
1. Set the pointer, 1 FIG. 18,
on the metering pump to a
setting that corresponds
to the desired liquid
application rate.
2. Before
seeding,
accurately measure or
carefully estimate the
amount of liquid in the
liquid fertilizer tank and
note the beginning area
reading on the monitor
display.
3. Seed a significantly large
area. Stop and again
measure or estimate the
amount of liquid remaining
in the tank and note the
area covered.
4. Use the following formula
to calculate the
application rate:
5. Adjust, if necessary, the
pump setting and repeat
the above procedure to
confirm application rate.
1
Tank Level (initial) - Tank Level (final)
Area (final) - Area (initial)
= Application Rate: gal/ac (L/ha)