Great Plains YP825AR Material Rate User Manual
Page 7
Great Plains Manufacturing, Inc.
Planting Rate Overview
3
2013-11-11
401-923B
Seed Spacing (U.S. Customary units, page 1 of 2)
Metric seed spacing charts begin on page 82.
Plant
Single Row Spacings
Twin Row Spacings
Population
22 inch
56 cm
70 cm
75 cm
30 inch
Twin Row
Twin Row
(seeds/acre)
(55.9 cm)
(22.05 in.)
(27.6 in.)
(29.5 in.)
(76.2 cm)
(29.5 in.)
(76.2 cm)
Seed-to-Seed Spacing (Inches)
14 000
20.4
20.3
16.3
15.2
14.9
30.3
29.9
15 000
19.0
19.0
15.2
14.2
13.9
28.3
27.9
16 000
17.8
17.8
14.2
13.3
13.1
26.6
26.1
17 000
16.8
16.7
13.4
12.5
12.3
25.0
24.6
18 000
15.8
15.8
12.6
11.8
11.6
23.6
23.2
19 000
15.0
15.0
12.0
11.2
11.0
22.4
22.0
20 000
14.3
14.2
11.4
10.6
10.5
21.2
20.9
21 000
13.6
13.5
10.8
10.1
10.0
20.2
19.9
22 000
13.0
12.9
10.3
9.7
9.5
19.3
19.0
23 000
12.4
12.4
9.9
9.2
9.1
18.5
18.2
24 000
11.9
11.9
9.5
8.9
8.7
17.7
17.4
25 000
11.4
11.4
9.1
8.5
8.4
17.0
16.7
26 000
11.0
10.9
8.8
8.2
8.0
16.3
16.1
27 000
10.6
10.5
8.4
7.9
7.7
15.7
15.5
28 000
10.2
10.2
8.1
7.6
7.5
15.2
14.9
29 000
9.8
9.8
7.8
7.3
7.2
14.7
14.4
30 000
9.5
9.5
7.6
7.1
7.0
14.2
13.9
31 000
9.2
9.2
7.3
6.9
6.7
13.7
13.5
32 000
8.9
8.9
7.1
6.6
6.5
13.3
13.1
33 000
8.6
8.6
6.9
6.4
6.3
12.9
12.7
34 000
8.4
8.4
6.7
6.2
6.1
12.5
12.3
35 000
8.1
8.1
6.5
6.1
6.0
12.1
11.9
36 000
7.9
7.9
6.3
5.9
5.8
11.8
11.6
37 000
7.7
7.7
6.2
5.7
5.7
11.5
11.3
38 000
7.5
7.5
6.0
5.6
5.5
11.2
11.0
39 000
7.3
7.3
5.8
5.4
5.4
10.9
10.7
40 000
7.1
7.1
5.7
5.3
5.2
10.6
10.5
41 000
7.0
6.9
5.6
5.2
5.1
10.4
10.2
42 000
6.8
6.8
5.4
5.1
5.0
10.1
10.0
43 000
6.6
6.6
5.3
4.9
4.9
9.9
9.7
44 000
6.5
6.5
5.2
4.8
4.8
9.7
9.5
45 000
6.3
6.3
5.1
4.7
4.6
9.4
9.3
46 000
6.2
6.2
4.9
4.6
4.5
9.2
9.1
47 000
6.1
6.1
4.8
4.5
4.4
9.0
8.9
48 000
5.9
5.9
4.7
4.4
4.4
8.9
8.7
49 000
5.8
5.8
4.6
4.3
4.3
8.7
8.5
50 000
5.7
5.7
4.6
4.2
4.2
8.5
8.4