The University of Delaware (UD) has rated soils in terms of the likelihood of profitable responses to additions of phosphorus (P) and potassium (K) from fertilizers, manures, and other soil amendments ...

When people think about agricultural pollution, they often picture what is easy to see: fertilizer spreaders crossing fields or muddy runoff after a heavy storm. However, a much more significant ...

Crops often receive beneficial nutrients such as phosphorus (P) from manure or commercial fertilizer applications. However, the Delaware Nutrient Management Law (3 Del. C. § 2247) limits the amount of ...

Soil contains an array of micronutrients and these form the building blocks for crops destined to be eaten, processed, or fed to livestock. It is vital for both consumers and industry that ...

Plants need phosphorus to grow. Farmers’ use of mineral phosphorus fertilisers has greatly increased soil phosphorus fertility and, consequently, crop yields. However, these fertilisers are made from ...

Permafrost thaw can stimulate the release of soil carbon, triggering a positive carbon-climate feedback that may be mediated by changes in soil phosphorus (P) availability. A research team led by Prof ...