Nitrate (NO3−) contamination of surface-and groundwater is an environmental problem in
many regions of the world with intensive agriculture and high population densities …

This literature review focuses on the prevalence of nitrogen and phosphorus in urban
environments and the complex relationships between land use and water quality. Extensive …

Nitrate (NO3−) concentrations in public water supplies have risen above acceptable levels
in many areas of the world, largely as a result of overuse of fertilizers and contamination by …

There has been considerable recent interest in the potential application of nitrogen isotope
analysis in discriminating between organically and conventionally grown crops. A …

Excessive quantities of nitrates in the aquatic environment can cause eutrophication and
raise water safety concerns. Therefore, identification of the sources of nitrate is crucial to …

Nitrogen (N) sources are widely distributed in the complex urban environment. High-
resolution data elucidating N sources in the residential catchments are not available. We …

Nitrate is naturally found within the environment as part of the nitrogen cycle. However,
anthropogenic inputs have greatly increased nitrate loads within ground and surface waters …

Nitrate pollution is a widespread issue affecting global water resources with significant
economic and health effects. Knowledge of both the corresponding pollution sources and of …

Owing to a lack of efficient solid waste management (SWM) systems, groundwater in most
developing countries is found to be contaminated and tends to pose significant …

Coastal lagoons can act as sinks and sources of a wide range of substances, including
nutrients, and pollutants. In these ecosystems, primary production is limited more by nitrogen …