Arthur L. Allen

Spatial variation of soil phosphorus within a drainage ditch network.

Vertical distribution of phosphorus in agricultural drainage ditch soils.

Evaluating the success of phosphorus management from field to watershed.

Nitrogen fate in drainage ditches of the coastal plain after dredging.

Occurrence of arsenic and phosphorus in ditch flow from litter-amended soils and barn areas.

Phosphorus runoff losses from subsurface-applied poultry litter on coastal plain soils.

Using flue gas desulfurization gypsum to remove dissolved phosphorus from agricultural drainage waters.