Return on investment in starter fertilizer can depend on several facts. Corn grain yield increases from starter fertilizer applications are most likely in the following situations:
Higher corn prices and changes in farming practices (early planting, for instance) may create new roles for starter fertilizers. One role may be as insurance against prolonged, unfavorable weather conditions soon after planting. More tests under a variety of field situations will help determine when and where treatments may be most valuable.
Related Content: Use of Starter Fertilizers in Corn Production