2  Number of years in WEPS management rotation file
10/ 4/ 1| Chisel plow (2 inch wide straight pts)                      |                                                             |
15/ 4/ 1| Harrow - coiled tine (3 ranks, 2 inch lateral spacing)      |                                                             |
25/ 4/ 1| Drill, air seeder, chisel opener (12 inch row spacing)      | wheat, spring                                               |
 1/ 8/ 1| Harvest Small Grain (cutter bar)                            |                                                             |
 1/ 9/ 1| Chisel plow (3 inch wide twisted pts)                       |                                                             |
15/ 5/ 2| Cultivator, Field (9 inch shovels)                          |                                                             |
15/ 7/ 2| Cultivator, Field (9 inch shovels)                          |                                                             |
15/ 8/ 2| Cultivator, Field (9 inch shovels)                          |                                                             |