A Progress review of Iowa's agricultural-energy-environmental initiatives
Subtitle: nitrogen management in Iowa
By: prepared by G.R. Hallberg ... [et al.].
Contributors: Hallberg, George R.; Integrated Farm Management Demonstration Project.; Model Farms Demonstration Project.; Big Spring Basin Demonstration Project.
Series: Technical information series ;; 22; Technical information series (Iowa. Dept. of Natural Resources. Geological Survey Bureau) ;; 22.
Publisher: Iowa Dept. of Natural Resources, Energy and Geological Resources Division
Published: 1991
Place of publication: Iowa City, Iowa (123 N. Capitol St., Iowa City 52242)
Language: eng
Number of pages: 29
Subjects: Nitrogen fertilizers -- Control -- Iowa.; Nitrogen fertilizers -- Environmental aspects -- Iowa.; Nitrogen fertilizers -- Iowa.; Farm management -- Iowa.; Water quality management -- Iowa.
Notes: Includes bibliographical references (p. 27-29).
"A joint report from the Integrated Farm Management Demonstration Project, the Model Farms Demonstration Project, and the Big Spring Basin Demonstration Project."
"December 1991."