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Mower
Spread
Centering
Spread
Centering
Material Flow at
14
Appendix A. JRCO Electric Broadcast Spreader Settings for Seeds
Material
speed
(mph)
Lawn Seed Mixture (51%
blue grass, 35% creeping
fescue, 10% chewings
fescue and 4% inert matter)
Quick Clover Mixture (72%
rye, 11% blue grass, 11%
creeping fescue and 6%
inert matter
Rye grass
Kentucky Blue Grass
Red fescue
Red Top
Highland Bent
White Dutch Clover
n/a = Not applicable
Note: Use blocking plate to reduce the amount of seed spread by one half.
2 4 7 10 I-J Not Recommended 1 3/4 lb at 4
3 5 1/2 8 1/2 10 I-J
4 7 10 10 I-J
2 6 12 14 I-J 3+ 6 7 J 2 1/2 lb at 6
3 9 n/a 14 I-J 4 1/2 9 7 J
4 12 n/a 14 I-J 6 12 7 J
2 6 12 14 H 3 6 7 J 2 1/2 lb at 7
3 9 n/a 14 H 4 1/2 9 7 J
4 12 n/a 14 H 6 12 7 J
2 2 1/2 4 8 I-J Not Recommended 1 1/2 lb at 2 1/2
3 3 1/4 5 1/2 8 I-J
4 4 7 8 I-J
2 7 13 14 G-H 3 1/2 7 7 J 2 1/2 lb at 7
3 10 n/a 14 G-H 5 10 7 J
4 13 n/a 14 G-H 7 13 7 J
2 2 3 3/4 10 I-J 1 2 5 J 1 3/8 lb at 2
3 3 5 1/2 10 I-J 1 1/2 3 5 J
4 3 3/4 7 10 I-J 2 3 3/4 5 J
2 3 5 10 I-J 1 1/2 3 5 J 1 1/2 lb at 3
3 4 7 1/2 10 I-J 2+ 4 5 J
4 5 10 10 I-J 3 5 5 J
2 1 2 28 B-C n/a 1 14 I 2 1/4 lb at 1
3 1 1/2 3 28 B-C n/a 1 1/2 14 I
4 2 4 28 B-C 1 2 14 I
Gate Settings: Full Fan Speed, Full Width Gate Settings: Speed Controlled Width Calibration
1 lb per
1000 sq. ft.
2 lb per
1000 sq. ft.
Width
(ft)
position
1 lb per
1000 sq.
ft.
2 lb per
1000 sq.
ft.
Width
(ft)
position
Specified Gate
Setting
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Appendix B. JRCO Broadcast Spreader settings for Commercial, Pelletized Fertilizers
Speeds greater than those listed on the above chart are
NOT
recommended.
Spreading at faster than recommended speeds may cause uneven application.
To determine mower speed, set two
markers 88 feet apart and record time it
takes to go from one to the other.
MOWER
SPEED
2.5 lb 3 lb 4 lb 5 lb 6 lb
2 mph 6 1/2 7 8 1/2 9 9 1/2 25ft C
3 8 9 9 1/2 10 11 25 C
4 9 9 1/2 10 1/2 13 NA 25 C
5 9 1/2 10 13 NA NA 25 C
2 6 6 1/2 7 8 1/2 9 18ft D-E
3 7 7 1/2 8 1/2 9 1/2 10 18 D-E
4 8 8 1/2 9 1/2 10 11 18 D-E
5 8.5 9 1/2 10 12 NA 18 D-E
6 9 1/2 10 11 NA NA 18 D-E
2 5 5 1/2 6 6 1/2 7 12FT F-G
3 5 1/2 6 7 8 8 1/2 12 F-G
4 6 1/2 7 8 9 9 1/2 12 F-G
5 7 8 9 9 1/2 10 12 F-G
6 8 8 1/2 9 1/2 10 11 12 F-G
GATE SETTING
Pounds per 1000 sq. ft.
SPREAD
WIDTH
(SPEED
CONTROL
SETTING)
CENTERING
POSITION
Appendix C. JRCO Electric Broadcast Spreader Settings for Fire Ant Bait
Material Application Rate Mower Speed
See table below to determine speed.
Distance Time Speed
88 ft. 30 seconds 2 MPH
88 ft. 20 seconds 3 MPH
88 ft. 15 seconds 4 MPH
15
88 ft. 10 seconds 6 MPH
88 ft. 7.5 seconds 8 MPH
Amdro bait No
Award bait 1 to 1 1/2 lb per acre 8 to 10 mph 1/8 in. 20 ft. Yes
Logic bait Yes
Gate
Setting
Spread
Width
Blocking
Plate
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