Great-plains 2525P Material Rate User Manual download pdf (Page 24)

Great Plains Mfg., Inc.

118-231B 03/23/2010

Volumetric Charts

Volumetric meter planting rate is determined by:

• crop and seed variant

• meter wheel selection, and

• meter drive conﬁguration

The are no other adjustments.

The rates indicated in the charts are approximate val-

ues. To assure the most accurate seeding rate it is rec-

ommended that the drill be calibrated for the desired

seed at the time of planting.

Reading a Volumetric Rate Chart

Hydraulic or Ground Drive

1. Consult the chart for your crop and meter wheel.

2. Note any seed lubricant required. See “Seed Lubri-

cants” on page 2 for seed lubricant information.

3. Find the columns for your row spacing.

4. Find the desired seed rate (which is pounds per

acre for volumetric seeds).

5. Note the maximum ground speed for that rate.

6. The Range sprockets are at the top of the columns

for the row spacing.

7. The Transmission sprockets are in the table rows,

found to the left of the Seed Rate.

Opener Series: 10HDP - 25P BARLE

403-118D Wheat Narrow Volumetric

52 lb. bu. Barley. No Seed Treatm

TALC REQUIRED

52 lb. bu. Barley. No Seed Treatment

TALC REQUIRED

7 1/2" Row Spacing 8" Row Spacing 9 1/2" Row Spacing Twin Ro

15" Row S

nations Seed Planting Planting P

Rate Speed Speed

Driven (pounds/acre) (mph) (mph)

28 23.4 88

27 24.3 88

26 25 3 88

ssion Maximum Maximum Ma

ations Seed Planting Planting Pl

Rate Speed Speed S

Driven (pounds/acre) (mph) (mph) (

28 23.4 88

27 24.3 88

Drill Models: 7 1/2" Row Spacing 8" Row Spacing

20' Precision 3PT

25' Precision 3PT Range Sprockets: Range Sprockets:

Driver = 15 Driver = 16

Driven = 30 Driven = 30

Transmission Maximum Maximum

Combinations Seed Planting Planting

Rate Speed Speed

Driver Driven (pounds/acre) (mph) (mph)

17 28 23.4 88

17 27 24.3 88

17 26 25.3 88

19 28 26 2 88

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 70 71

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Great-plains 2525P Material Rate User Manual Page 24

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