The Nutrient Tracking Tool (NTrT) is an enhanced version of the Nitrogen Trading Tool, a
user-friendly Web-based computer program originally developed by the USDA. The NTrT …

T he Nutrient Tracking Tool (NTT) is an enhanced version of the Nitrogen Trading Tool, an
earlier model that was developed by the USDA. NTT provides farmers, government officials …

A case study analysis estimates field-level and farm-level nutrient loss reductions and
associated income impact of nutrient management practices on four Virginia livestock farms …

M arkets for water quality and other ecosystem services are rapidly emerging across the
country. One of the basic requirements that link buyers and sellers of ecosystem services is …

Abstract The Agricultural Policy Environmental eXtender (APEX) model is the scientific basis
for the Nutrient Tracking Tool (NTT). NTT is an enhanced version of the Nitrogen Trading …

Nutrient enrichment of water resources has degraded coastal waters throughout the world,
including in the United States (eg, Chesapeake Bay, Gulf of Mexico, and Neuse Estuary) …

Abstract The “Measured Annual Nutrient loads from AG ricultural Environments”(MANAGE)
database was published in 2006 to expand an early 1980s compilation of nutrient export …

We have developed an add‐on tool for use with the Agricultural Conservation Planning
Framework (ACPF) that features a multistate financial analysis and field‐scale nitrogen (N) …

Artificially drained agricultural systems can be a primary contributor of non-point source
nitrogen (N) and phosphorus (P) pollution to ground and surface waters; therefore, it is …

M anaging agricultural nutrients to achieve water quality goals involves complexities best
organized around source and transport processes, as captured in site assessment tools …