The contribution of phosphorus (P) to non-point source (NPS) pollution of surface and
groundwaters is a serious environmental problem in Delaware. In 1999, the Delaware …

Phosphorus indices are field-scale assessment tools that have potential for identifying areas
most likely to contribute P to water resources and for focusing management practices to …

Reid, DK 2011. A modified Ontario P index as a tool for on-farm phosphorus management.
Can. J. Soil Sci. 91: 455–466. The phosphorus index (P index) concept has gained wide …

The Phosphorus (P) Index was developed to provide a relative ranking of agricultural fields
according to their potential for P loss to surface water. Recent efforts have focused on …

The Phosphorus Index was designed as a screening tool for use by soil conservation field
staff and nutrient management planners to rank the relative vulnerability of agricultural fields …

This review addresses research done over the past 40 years on different aspects of
agricultural phosphorus (P) management for environmental protection. Inputs of P are …

Phosphorus (P), an essential nutrient for crop and livestock production, can accelerate
freshwater eutrophication, now one of the leading water quality impairments in the United …

Excessive phosphorus (P) loss from soils impairs surface water resources. An assessment
tool or index has been developed to identify agricultural fields with high potential risk of P …

ABSTRACT AP index was developed as a tool to rank agricultural fields on the basis of P
loss vulnerability, helping to target remedial P management options within watersheds. We …

The Phosphorus Index is a tool developed to assess the potential for phosphorus runoff from
individual fields based on soil and field characteristics and on management practices. Use …