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 …

The Nutrient Tracking Tool (NTT) provides farmers, government officials, researchers and
others an efficient, cost-effective, and user-friendly method of evaluating the impacts of …

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 …

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 …

Computer simulation models are very useful tools for:• assessing the potential for farm
management practices to impact natural resources;• quantifying the potential for …

Agricultural best management practices (BMPs) are implemented to abate nonpoint source
(NPS) pollution. Evaluation of these conservation practices requires an approach that can …

Purpose Nutrient and sediment pollution of surface waters remains a critical challenge for
improving water quality. This study takes a user-friendly field-scale tool and assesses its …

A hydrological-based model (HBV-NP) was applied to a catchment (1900 km2) in the
southern part of Sweden. Careful characterization of the present load situation and the …

During the past decade, there has been an increasing demand for agricultural agencies to
provide accounting of nutrient reductions that result from the implementation of best …

In response to degraded water quality, federal policy makers in the US and Canada called
for a 40% reduction in phosphorus (P) loads to Lake Erie, and state and provincial policy …