Since 1993, McPherson Crop Management has provided farmers in southern Minnesota soil testing programs to insure each acre has adequate plant food for optimum crop production. We recommend that soil tests be updated every four years to verify inventory levels on your farm.
McPherson Crop Management offers:
2.5 Acre Grids
2.5 Acre Smart Composites by Management Zone
4-6 Acre Smart Composites by Management Zone
8-12 Acre Composites for Manure Management