Seed Rate Calibration - Landoll 5531 Operator's Manual

Seed Rate Calibration

1. The seed rate charts are in pounds per acre and
based on an average seed size (See Figure 4-11.)
Several factors can influence seeding rates: seed
varieties, seed size, seed weight, seed treatment,
seed cleanliness, tire pressure, tire slippage, and tire
size.
IMPORTANT
The operator must verify actual seed output before
planting to insure the desired seeding rate.
2. If the specific seed is not listed on the seed chart,
pick a similar seed size and check the seed
calibration for the desired rate.
OPERATION AND MAINTENANCE
3. To check the seeding rate:
a. Adjust the seeding rate handle and drive type to
the desired rate from the seed chart (See
Figure 4-11.)
b. Select three seed meters next to each other, and
disconnect the rubber seed tubes to be able to
catch the seed.
c. Fill the box with a sufficient amount of seed over
the three meters.
d. Lower the openers to planting position to engage
the seed clutch.
e. Place a jack under the appropriate drive wheel
and raise off the ground so the drive wheel may
be rotated by hand.
f. Collect the seed from the three seed meters as
you rotate the drive wheel by hand. Count the
total number of rotations. Twenty rotations would
be a good starting point; more rotations will
produce more accurate results.
g. Weigh (in pounds) the total amount of seed and
divide by 3 for an average amount of seed per
meter. See Figure 4-11 for seed rate formula.
4. Adjust the seed meter rate handle to compensate for
any variation, and repeat the seed calibration until
the desired seeding rate is achieved.
5. See Figure 4-11 for number of seeds per row
formula.
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