Loading reduction targets for phosphorus — particularly those aimed at reducing losses of dissolved phosphate — may not be met through soil health alone, and definitely require attention to nutrient application placement and timing as well, says the International Plant Nutrition Institute.

The International Plant Nutrition Institute has officially released the results of its 2015 North American Soil Test Summary, which the organization says is the most extensive evaluation of the fertility of North American soils ever conducted.

Regular soil testing and in-crop applications of nitrogen can help growers manage nutrient levels for swings in the weather and take advantage of when better-than-normal crop growth occurs, says the International Plant Nutrition Institute.

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A lot of careful consideration goes into selecting which fertilizer should be added to a crop, but all the decisions have been made, little thought is then given to what actually happens next.

In many areas of the Corn Belt, no-till nutrient budgets have become very negative due to changes in the way growers have fertilized their crops in recent years.