Pilot program targets nitrogen efficiency
As Iowa farmers prepare to get planters rolling this spring, a new soil testing effort is aiming to help producers better manage fertilizer costs while also improving environmental outcomes. Iowa Agriculture Secretary Mike Naig says the pilot program focuses on understanding how much residual nitrogen is already present in the soil before additional fertilizer is applied. He says recent conditions, including drought and a warm winter, have created higher-than-normal nitrogen carryover in some...

















