Setting up the grid for the field in his computer.

Unloading the ATV

Probing about 8 inches deep.

It takes 5 probes around a GPS point to make up one “sample” bag for the lab to test.

Yes, he has a GPS bubble on his ATV. He finds the points on the grid that way. He samples every 2.5 acres.

GPS readout around a point.

Heading to the next point.

He sampled 680 acres in less than 12 hours.