Wastes from water treatment plants : literature review, results of an Illinois survey, and effects of alum sludge application to cropland /

"SWS Contract report 429." -- Cover.

Control of water pollution from cropland.

Issued jointly with the Office of Research and Development, EPA.

Impacts of technology on U.S. cropland and rangeland productivity.

Item 1070-M (v. 1)

Outlook and situation report.

Mode of access: Internet.

Agricultural nonpoint source control of phosphorus in the New York State Lake Ontario Basin.

"EPA-905/9-91-006B"--Vol. 2.