Great Plains 3N-3020P Operator Manual User Manual
Page 81
4/23/2010
196-248M
79
Seed Rate Charts
Rd corn 1400-2200 krl/lb.
15" Row Spacing
30" Twin Row
20" Row Spacing
Flat corn 1500-1800 krl/lb.
Talc Required
Range Sprockets
Driver= 15
Driven = 30
Range Sprockets
Driver= 15
Driven = 30
Range Sprockets
Driver=20
Driven=30
Transmission
Sprockets
Seed
Population
(seeds/acre)
Seed
Spacing
(inches)
Max Plant
Speed
(mph)
Seed
Spacing
Max Plant
Speed
Seed
Spacing
(inches)
Max Plant
Speed
(mph)
Driver Driven
(inches)
(mph)
17
28
13,780
30.0
8
30.0
8
22.5
8
17
27
14,290
28.9
8
28.9
8
21.7
8
17
26
14,840
27.9
8
27.9
8
20.9
8
19
28
15,401
26.9
8
26.9
8
20.1
8
17
25
15,433
26.8
8
26.8
8
20.1
8
19
27
15,971
25.9
8
25.9
8
19.4
8
17
24
16,076
25.7
8
25.7
8
19.3
8
19
26
16,586
24.9
8
24.9
8
18.7
8
17
23
16,775
24.7
8
24.7
8
18.5
8
19
25
17,249
24.0
8
24.0
8
18.0
8
19
24
17,968
23.0
8
23.0
8
17.3
8
23
28
18,643
22.2
8
22.2
8
16.6
8
19
23
18,749
22.1
8
22.1
8
16.5
8
23
27
19,334
21.4
8
21.4
8
16.0
8
24
28
19,454
21.3
8
21.3
8
15.9
8
23
26
20,077
20.6
8
20.6
8
15.4
8
24
27
20,174
20.5
8
20.5
8
15.4
8
25
28
20,264
20.4
8
20.4
8
15.3
8
17
19
20,307
20.4
8
20.4
8
15.3
8
23
25
20,881
19.8
8
19.8
8
14.9
7
24
26
20,950
19.7
8
19.7
8
14.8
7
25
27
21,015
19.7
8
19.7
8
14.8
7
26
28
21,075
19.6
8
19.6
8
14.7
7
23
24
21,751
19.0
8
19.0
8
14.3
7
24
25
21,788
19.0
8
19.0
8
14.2
7
25
26
21,823
19.0
8
19.0
8
14.2
7
26
27
21,856
18.9
8
18.9
8
14.2
7
27
28
21,886
18.9
8
18.9
8
14.2
7
23
23
22,696
18.2
8
18.2
8
13.7
7
28
27
23,537
17.6
8
17.6
8
13.2
6
27
26
23,569
17.5
8
17.5
8
13.2
6
26
25
23,604
17.5
8
17.5
8
13.1
6
25
24
23,642
17.5
8
17.5
8
13.1
6
24
23
23,683
17.5
8
17.5
8
13.1
6
28
26
24,442
16.9
8
16.9
8
12.7
6
27
25
24,512
16.9
8
16.9
8
12.7
6
26
24
24,588
16.8
8
16.8
8
12.6
6
25
23
24,670
16.8
8
16.8
8
12.6
6
19
17
25,366
16.3
8
16.3
8
12.2
6
28
25
25,420
16.3
8
16.3
8
12.2
6
27
24
25,533
16.2
8
16.2
8
12.1
6
26
23
25,657
16.1
8
16.1
8
12.1
6
28
24
26,479
15.6
8
15.6
8
11.7
6
27
23
26,643
15.5
8
15.5
8
11.6
6
23
19
27,474
15.1
7
15.1
7
11.3
5
28
23
27,630
15.0
7
15.0
7
11.2
5
24
19
28,669
14.4
7
14.4
7
10.8
5
25
19
29,863
13.8
7
13.8
7
10.4
5
23
17
30,707
13.5
7
13.5
7
10.1
5
26
19
31,058
13.3
7
13.3
7
10.0
5
24
17
32,042
12.9
6
12.9
6
9.7
5
27
19
32,253
12.8
6
12.8
6
9.6
5
25
17
33,377
12.4
6
12.4
6
9.3
4
28
19
33,447
12.4
6
12.4
6
9.3
4
26
17
34,712
11.9
6
11.9
6
8.9
4
27
17
36,047
11.5
6
11.5
6
8.6
4
28
17
37,382
11.1
5
11.1
5
8.3
4
403-083D (round corn 1400-1900 krl/lb)
403-096D (round corn 1700-2200 krl/lb)
403-086D (flat corn 1500-1675 krl/lb)
403-088D (flat corn 1625-1800 krl/lb)
Corn 28 Cell Wheel (Singulating)
Wheel P/N’s