Billing Farms is down to 0.7 pounds of N per bushel of corn since the adoption of variable-rate in 2005, producing the same yields with two-thirds the fertilizer.
After years of strict conventional tillage at Billing Farms, the family-run corn, soybean and wheat operation out of Enderlin, N.D., couldn’t help but wonder if a better option existed to maximize fertilizer investment for corn in the early 2000s.