Recognized for their successful fertility practices, Jake Kaderly of Monticello, Wis., Stuart Lawrence of Rosetown, Saskatchewan and Richard Lyons of Harvel, Ill., were honored as the 10th class of Responsible Nutrient Management Practitioners at the 2018 National No-Tillage Conference in Louisville.

Sponsored by No-Till Farmer and AgroLiquid, below is a synopsis of each practitioners advanced fertility program.

Grid sampling every 2 years on a 2-acre grid is the foundation Kaderly built his fertility program on. It continues to be the basis for placing the right amount of nutrients in the right place for optimum yields on land he farms in southern Wisconsin.

“I move sample points biennially to get a better understanding of the field’s fertility, then I correct for lime, phosphorus and potassium with variable-rate spreading,” Kaderly says.

Every fifth sample is tested for trace elements. In the year he doesn’t test, he broadcasts 175 pounds per acre of diammonium phosphate (DAP) and 175 pounds of potash. Kaderly, who’s more detailed in his fertility program than most, also applies 5 pounds each of zinc, boron and manganese. He applies zinc on corn in-furrow, foliar applies manganese on soybeans and bulk spreads boron on soybeans and…