Seed rate charts – Great Plains 2N-3020 Operator Manual User Manual
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Section 3 Adjustments
2/28/08
2N-2420 and 2N-3020 Two-Section Folding No-Till Drill 196-164M-A
Great Plains Mfg., Inc.
Seed Rate Charts
(Pounds per acre)
Setting number
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
Alfalfa
Drive Type 1
(Based on
60#/bu)
Ro
w Space
7.5"
1.8
4.6
7.0
10.0 12.8 16.0 19.1 22.7 26.3 30.7 34.3 37.5 41.5 45.3 49.3 52.9 57.5 61.8 66.3 68.3 70.2
8"
1.7
4.3
6.5
9.4
12.1 15.0 17.9 21.3 24.7 28.8 32.2 35.2 39.0 42.6 46.3 49.6 54.0 58.0 62.3 64.1 65.9
10"
1.4
3.5
5.2
7.5
9.7
12.0 14.4 17.1 19.8 23.1 25.8 28.2 31.2 34.1 37.1 39.8 43.2 46.5 49.9 51.4 52.8
Barley
Drive Type 1
(Based on
51#/bu)
Ro
w Space
7.5"
1.6
3.8
6.3
8.9
12.0 15.1 18.6 21.8 25.2 28.9 32.5 36.2 40.0 44.2 47.8 51.6 54.8 57.8 60.7 61.2 61.7
8"
1.5
3.5
6.0
8.4
11.3 14.2 17.4 20.5 23.7 27.1 30.6 34.0 37.6 41.5 44.8 48.5 51.5 54.2 57.0 57.4 57.9
10"
1.2
2.8
4.8
6.7
9.0
11.4 14.0 16.4 19.0 21.7 24.5 27.2 30.1 33.2 35.9 38.8 41.2 43.5 45.6 46.0 46.4
Barley
Drive Type 2
(Based on
51#/bu)
Ro
w Space
7.5"
2.9
7.2
13.3 18.0 24.9 30.9 37.7 44.9 51.7 59.4 66.4 72.8 80.2 87.1 95.0 102.6 111.1 119.1 126.8 128.8 130.8
8"
2.7
6.8
12.4 16.9 23.4 29.0 35.4 42.2 48.5 55.8 62.3 68.3 75.2 81.7 89.2 96.3 104.3 111.8 119.0 120.9 122.8
10"
2.2
5.4
10.0 13.6 18.7 23.2 28.4 33.8 38.9 44.7 49.9 54.7 60.3 65.5 71.4 77.2 83.5 89.6 95.3 96.8 98.4
Buckwheat
Drive Type 2
(Based on
48#/bu)
Ro
w Space
7.5"
0.0
4.5
11.7 17.2 24.3 30.6 36.5 43.8 51.2 58.3 65.7 72.4 79.5 86.9 93.7 101.9 107.8 114.4 121.2 122.0 122.7
8"
0.0
4.2
10.9 16.2 22.9 28.7 34.3 41.1 48.1 54.7 61.7 68.0 74.6 81.6 87.9 95.6 101.2 107.4 113.8 114.5 115.2
10"
0.0
3.4
8.8
13.0 18.3 23.0 27.5 32.9 38.5 43.8 49.4 54.5 59.8 65.4 70.5 76.6 81.1 86.1 91.2 91.8 92.3
Buckwheat
Drive Type 3
(Based on
48#/bu)
Ro
w Space
7.5"
0.0
9.4
17.6 24.6 35.0 43.7 54.4 65.2 77.3 89.3 103.0 113.5 125.8 138.3 150.2 163.5 175.0 187.4 211.3 202.3 204.5
8"
0.0
8.8
16.5 23.1 32.9 41.0 51.0 61.2 72.5 83.9 96.7 106.5 118.1 129.9 141.0 153.5 164.3 175.9 198.3 189.9 191.9
10"
0.0
7.1
13.2 18.5 26.3 32.9 40.9 49.0 58.1 67.2 77.4 85.3 94.6 104.0 112.9 122.9 131.6 140.9 158.9 152.2 153.8
Buffalo Grass
Drive Type 1
(Based on
23#/bu)
Ro
w Space
7.5"
0.0
0.4
1.8
3.1
4.5
5.9
7.3
8.8
10.3 11.7 13.0 14.0 15.1 16.1 17.3 18.6 20.0 21.5 23.0 21.7 20.4
8"
0.0
0.4
1.7
2.9
4.2
5.5
6.9
8.2
9.6
11.0 12.2 13.2 14.2 15.1 16.2 17.5 18.8 20.1 21.6 20.4 19.1
10"
0.0
0.3
1.4
2.3
3.4
4.4
5.5
6.6
7.7
8.8
9.8
10.5 11.4 12.1 13.0 14.0 15.1 16.1 17.3 16.3 15.3
Bermuda Grass
Drive Type 1
(Based on
60#/bu)
Ro
w Space
7.5"
0.0
2.1
3.7
5.6
7.9
9.7
11.5 14.0 16.3 18.4 20.5 22.5 24.4 26.5 28.7 30.7 32.9 34.9 37.1 38.7 40.5
8"
0.0
2.0
3.4
5.3
7.4
9.1
10.8 13.2 15.3 17.3 19.2 21.1 22.9 24.9 26.9 28.9 30.9 32.8 34.8 36.3 38.0
10"
0.0
1.6
2.8
4.2
6.0
7.3
8.6
10.5 12.2 13.8 15.4 16.9 18.4 20.0 21.6 23.1 24.7 26.3 27.9 29.1 30.5
Bermuda Grass
Drive Type 2
(Based on
60#/bu)
Ro
w Space
7.5"
0.0
4.3
7.5
11.6 16.2 20.0 23.6 28.8 33.5 37.8 42.1 46.2 50.2 54.6 58.9 63.2 67.6 71.8 76.2 79.5 83.3
8"
0.0
4.1
7.1
10.9 15.3 18.7 22.2 27.0 31.4 35.5 39.5 43.4 47.1 51.2 55.3 59.3 63.5 67.4 71.5 74.6 78.2
10"
0.0
3.3
5.7
8.7
12.3 15.0 17.8 21.7 25.2 28.4 31.6 34.7 37.8 41.0 44.3 47.5 50.8 54.0 57.3 59.8 62.7
Bermuda Grass
Drive Type 3
(Based on
60#/bu)
Ro
w Space
7.5"
0.0
5.1
11.5 16.9 24.1 29.9 36.6 42.5 48.8 55.3 61.2 67.6 73.6 79.9 86.0 92.9 97.5 103.6 109.7 114.0 119.1
8"
0.0
4.8
10.8 15.9 22.7 28.1 34.4 39.9 45.8 51.9 57.5 63.5 69.1 75.0 80.7 87.2 91.6 97.2 103.0 107.0 111.8
10"
0.0
3.8
8.7
12.7 18.2 22.5 27.5 32.0 36.7 41.6 46.0 50.8 55.4 60.1 64.6 69.9 73.4 77.9 82.5 85.7 89.5
Bermuda Grass
Drive Type 4
(Based on
60#/bu)
Ro
w Space
7.5"
0.0
8.3
18.8 27.6 39.4 48.8 59.7 69.3 79.5 90.1 99.8 110.2 120.1 130.3 140.1 151.5 159.0 168.9 178.9 185.8 194.1
8"
0.0
7.8
17.6 25.9 37.0 45.8 56.0 65.0 74.6 84.6 93.7 103.5 112.7 122.3 131.6 142.2 149.3 158.5 168.0 174.4 182.2
10"
0.0
6.2
14.1 20.7 29.7 36.7 44.9 52.1 59.8 67.8 75.1 82.9 90.3 98.0 105.4 114.0 119.6 127.0 134.6 139.7 146.0
Fescue K-31
Drive Type 2
(Based on
21#/bu)
Ro
w Space
7.5"
2.3
4.2
6.3
8.9
11.3 13.8 17.1 19.2 22.1 24.8 28.4 30.3 33.0 35.9 38.6 41.3 43.9 46.0 47.8 48.9 49.2
8"
2.1
3.9
5.9
8.3
10.6 13.0 16.0 18.0 20.7 23.3 26.6 28.4 31.0 33.7 36.3 38.8 41.3 43.2 44.9 45.9 46.2
10"
1.7
3.1
4.7
6.7
8.5
10.4 12.8 14.4 16.6 18.6 21.3 22.8 24.8 27.0 29.1 31.1 33.0 34.6 35.9 36.8 37.0
Fescue K-31
Drive Type 3
(Based on
21#/bu)
Ro
w Space
7.5"
2.4
5.8
9.7
13.3 17.0 21.5 24.8 29.7 33.8 38.1 41.5 46.1 50.2 54.1 57.9 62.0 65.7 69.1 72.2 72.9 74.9
8"
2.3
5.4
9.1
12.5 15.9 20.2 23.3 27.9 31.7 35.8 39.0 43.3 47.1 50.8 54.4 58.2 61.6 64.8 67.8 68.4 70.3
10"
1.8
4.4
7.3
10.0 12.8 16.2 18.6 22.3 25.4 28.7 31.2 34.7 37.8 40.7 43.6 46.6 49.4 51.9 54.3 54.8 56.3
Fescue K-31
Drive Type 4
(Based on
21#/bu)
Ro
w Space
7.5"
3.9
9.4
15.8 21.7 27.7 35.0 40.4 48.4 55.1 62.2 67.7 75.2 81.9 88.2 94.5 101.0 107.1 112.6 117.7 118.9 122.1
8"
3.7
8.9
14.8 20.3 26.0 32.9 37.9 45.5 51.7 58.4 63.5 70.6 76.9 82.8 88.7 94.9 100.5 105.7 110.5 111.6 114.7
10"
3.0
7.1
11.9 16.3 20.8 26.3 30.4 36.4 41.4 46.8 50.9 56.5 61.6 66.3 71.1 76.0 80.5 84.7 88.6 89.4 91.9
Flax/Sudan
Drive Type 1
(Based on
55#/bu)
Ro
w Space
7.5" 0.0
3.1
6.9
9.8
13.5 16.8 20.2 23.6 27.4 30.9 35.0 38.2 41.7 45.5 49.4 54.1 58.3 63.3 68.5 69.6 71.0
8"
0.0
2.9
6.4
9.2
12.6 15.8 19.0 22.2 25.7 29.0 32.8 35.9 39.2 42.7 46.4 50.8 54.8 59.5 64.3 65.3 66.6
10" 0.0
2.4
5.2
7.4
10.1 12.7 15.2 17.8 20.6 23.3 26.3 28.7 31.4 34.2 37.2 40.7 43.9 47.6 51.5 52.4 53.4