Great Plains 2020P Operator Manual - Manual (Page 129)

4/23/2010 118-740M
127 Seed Rate Charts
Planted Row
Spacing (Inches)
Number of
Rows for 20ft
drills
Tire
Revolutions
per Acre for
20ft drills
Number of
Rows for 24ft
drills
Tire
Revolutions
per Acre for
24ft drills
Number of
Rows for 25ft
drills
Tire
Revolutions
per Acre for
25ft drills
7 1/2” 32 268 38 225
9 1/2” 26 260 32 211
10” 24 268 28 229 29 221
10” 25 257
15” 16 268 19 225 19 225
15” 17 252 20 214
19” 13 260 16 211
20” 12 268 14 229 14 229
30” 8 268 10 214 10 214
36” 6 297 8 223
38” 6 282 8 211
40” 6 268 8 201
Twin Row 30” beds 16 268 20 214 20 214
Twin Row 36” beds 12 297 16 223
Twin Row 38” beds 12 282 16 211
Twin Row 40” beds 12 268 16 201
Twin Row 30” W/S 25 257 29 221
15” Skip Row 14 268
NOTE: Blank spaces denote row spacings that are not available for specific drill models.
Tire Revolutions Per Acre