Many fertilizer bags are labeled as fast- or slow-release, indicating how quickly the nutrients are available to the plant. Fast-release types dissolve in water and are readily available.

UF/IFAS researchers are testing how effective these products are by putting them in mesh bags and burying them alongside corn ...

Crop fertilizers are a major source ... the substance usually doesn't have a chance to release all of its nutrients before it either leaches down into the water table, or evaporates up into ...