Phosphorus (P) loss from agricultural fields and watersheds has been an important water
quality issue for decades because of the critical role P plays in eutrophication. Historically …

The extensive development of surface and subsurface drainage systems to facilitate
agricultural production throughout North America has significantly altered the hydrology of …

Balancing the amount of N needed for optimum plant growth while minimizing the NO3 that
is transported to ground and surface waters remains a major challenge for everyone …

Domestic wastewater and agricultural runoff are increasingly viewed as major threats to both
aquatic and terrestrial ecosystems due to the introduction of non-point source inorganic (eg …

Preferential flow (PF) in soil has both environmental and human health implications since it
favours contaminant transport to groundwater without interaction with the chemically and …

Subsurface drainage is a beneficial water management practice in poorly drained soils but
may also contribute substantial nitrate N loads to surface waters. This paper summarizes …

A significant portion of the NO3 from agricultural fields that contaminates surface waters in
the Midwest Corn Belt is transported to streams or rivers by subsurface drainage systems or …

Research on water quality degradation caused by point and diffuse source pollution plays
an important role in protecting the environment sustainably. Implementation of Best …

The assessments of potential environmental impacts of point and diffuse source pollution at
regional scales are necessary to achieve the sustainable development of natural resources …

The flow of chemical materials along spatial elements is a fundamental aspect of landscape
ecology. The research renders indicators for water pollution, which are utile for functional …