Air-Pro
®
Meter Disk Selection
Great Plains Manufacturing, Inc.
13
05/16/2019
403-942M
Seed Spacing
Seed Spacing (U.S. Customary units, page 1 of 2)
Row Spacings
Twin Row
Single Row
20 in.
30 in.
36 in.
38 in.
40 in.
Plant
10 in.
15 in.
20 in.
22 in.
30 in.
36 in.
38 in.
40 in.
Population
Rows
Rows
Rows
Rows
Rows
Rows
Rows
Rows
(seeds/acre)
Seed Spacing (inches)
14 000
44.8
29.9
24.9
23.6
22.4
20.4
14.9
12.4
11.8
11.2
15 000
41.8
27.9
23.2
22.0
20.9
19.0
13.9
11.6
11.0
10.5
16 000
39.2
26.1
21.8
20.6
19.6
17.8
13.1
10.9
10.3
9.8
17 000
36.9
24.6
20.5
19.4
18.4
16.8
12.3
10.2
9.7
9.2
18 000
34.8
23.2
19.4
18.3
17.4
15.8
11.6
9.7
9.2
8.7
19 000
33.0
22.0
18.3
17.4
16.5
15.0
11.0
9.2
8.7
8.3
20 000
31.4
20.9
17.4
16.5
15.7
14.3
10.5
8.7
8.3
7.8
21 000
29.9
19.9
16.6
15.7
14.9
13.6
10.0
8.3
7.9
7.5
22 000
28.5
19.0
15.8
15.0
14.3
13.0
9.5
7.9
7.5
7.1
23 000
27.3
18.2
15.2
14.4
13.6
12.4
9.1
7.6
7.2
6.8
24 000
26.1
17.4
14.5
13.8
13.1
11.9
8.7
7.3
6.9
6.5
25 000
25.1
16.7
13.9
13.2
12.5
11.4
8.4
7.0
6.6
6.3
26 000
24.1
16.1
13.4
12.7
12.1
11.0
8.0
6.7
6.3
6.0
27 000
23.2
15.5
12.9
12.2
11.6
10.6
7.7
6.5
6.1
5.8
28 000
22.4
14.9
12.4
11.8
11.2
10.2
7.5
6.2
5.9
5.6
29 000
21.6
14.4
12.0
11.4
10.8
9.8
7.2
6.0
5.7
5.4
30 000
20.9
13.9
11.6
11.0
10.5
9.5
7.0
5.8
5.5
5.2
31 000
20.2
13.5
11.2
10.6
10.1
9.2
6.7
5.6
5.3
5.1
32 000
19.6
13.1
10.9
10.3
9.8
8.9
6.5
5.4
5.2
4.9
33 000
19.0
12.7
10.6
10.0
9.5
8.6
6.3
5.3
5.0
4.8
34 000
18.4
12.3
10.2
9.7
9.2
8.4
6.1
5.1
4.9
4.6
35 000
17.9
11.9
10.0
9.4
9.0
8.1
6.0
5.0
4.7
4.5
36 000
17.4
11.6
9.7
9.2
8.7
7.9
5.8
4.8
4.6
4.4
37 000
17.0
11.3
9.4
8.9
8.5
7.7
5.7
4.7
4.5
4.2
38 000
16.5
11.0
9.2
8.7
8.3
7.5
5.5
4.6
4.3
4.1
39 000
16.1
10.7
8.9
8.5
8.0
7.3
5.4
4.5
4.2
4.0
40 000
15.7
10.5
8.7
8.3
7.8
7.1
5.2
4.4
4.1
3.9
41 000
15.3
10.2
8.5
8.1
7.6
7.0
5.1
4.2
4.0
3.8
42 000
14.9
10.0
8.3
7.9
7.5
6.8
5.0
4.1
3.9
3.7
43 000
14.6
9.7
8.1
7.7
7.3
6.6
4.9
4.1
3.8
3.6
44 000
14.3
9.5
7.9
7.5
7.1
6.5
4.8
4.0
3.8
3.6
45 000
13.9
9.3
7.7
7.3
7.0
6.3
4.6
3.9
3.7
3.5
46 000
13.6
9.1
7.6
7.2
6.8
6.2
4.5
3.8
3.6
3.4
47 000
13.3
8.9
7.4
7.0
6.7
6.1
4.4
3.7
3.5
3.3
48 000
13.1
8.7
7.3
6.9
6.5
5.9
4.4
3.6
3.4
3.3
49 000
12.8
8.5
7.1
6.7
6.4
5.8
4.3
3.6
3.4
3.2
50 000
12.5
8.4
7.0
6.6
6.3
5.7
4.2
3.5
3.3
3.1
32320A