Ohio State University Extension

Agronomics: Best Management Practices to Keep Phosphorus on the Field

Looking at current Ohio field research and the literature available on the topic of minimizing losses of phosphorus at the edge of the field the following recommendations are a starting point to maximizing productivity while minimizing environmental impacts on water quality. Phosphorous Rate, Application and Timing Avoid overloading soils. Soil test and follow tri-state fertilizer recommendations. Where soil test levels are above 40 ppm Bray P1 or 58 ppm Mehlich III-ICP, do not apply additional phosphorus in the corn-soybean rotation. These soil test levels require no additional fertilizer, according to the Tri-State Fertilizer recommendations. Fertilizing soils testing above these levels [...]

By |October 29, 2014|
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