Crops often receive beneficial nutrients such as phosphorus (P) from manure and/or commercial fertilizer applications. However, the Delaware Nutrient Management Law limits the amount of P that can be ...

Phosphorus Loss: The potential for loss of phosphorus from agricultural lands is dependent on several factors. They are often grouped into two categories: source factors and transport factors. Source ...

The Ohio Department of Agriculture has been engaged in a variety of research efforts since the outset of the H2Ohio program. Phosphorus fertilizer usage and placement on agricultural soils in the ...