Source: Natalie van Hoose, Purdue University, SOUTHEAST FARM PRESS, 10/30/13 In high-yield systems, it's not just that corn requires more macronutrients like nitrogen and phosphorus — which is what farmers normally think about — more micronutrients are needed as well. If you have soil that is deficient in micronutrients, you could be limiting yields." For more of this story, Click here. |