This is a three part series focusing on ways to determine your field profitability using your technology. We will post the series over the course of two months. If you don't want to wait, you can get the full series here.

Some people remember phone numbers or slender dates; I remember farm fields. Before the 2005 crop year, the program leaders for Central Advantage from Central Valley Cooperative in southern Minnesota asked me to help generate variable-rate planting prescriptions. The primary question was “agronomically, what makes sense?”