Long-term use of fertilizer and manure nutrients on the Delmarva Peninsula has led to an enrichment of agricultural soils with phosphorus (P). Consequently, many soils in Delaware are now considered ...

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 ...

Researchers looking into effective ways of adding phosphorus (P) to increase soil fertility have saved organic farmers a lot of time and money. In a recent paper in the Canadian Journal of Soil ...