An economic value of remote-sensing information : application to agricultural production and maintaining groundwater quality /

Farming for us all : practical agriculture & the cultivation of sustainability /
Published: (2004)

Water-quantity and water-quality aspects of a 500-year flood : Nishnabotna River, southwest Iowa, June 1998.
Published: (2000)

Implications of application of soil conservancy and environmental regulations in Iowa within a national framework /
by: Nagadevara, V., et al.
Published: (1975)

Occurrence of isoxaflutole, acetamide, and triazine herbicides and their degradation products in 10 Iowa rivers draining to the Mississippi and Missouri Rivers, 2004 /
by: Scribner, Elisabeth A.
Published: (2006)

Occurrence and distribution of nitrate and herbicides in the Iowa River alluvial aquifer, Iowa--May 1984 to November 1985 /
by: Detroy, Mark G., et al.
Published: (1988)

Water-quality assessment of the eastern Iowa basins : nitrogen, phosphorous, suspended sediment, and organic carbon in surface water, 1996-98 /
Published: (2001)

Transport of agricultural chemicals in surface flow, tileflow, and streamflow of Walnut Creek Watershed near Ames, Iowa, April 1991-September 1993.
by: Soenksen, P. J.
Published: (1996)

A century of farming in Iowa, 1846-1946 /
Published: (1946)

Special report.
Published: (1957)

Special report.

Selected nutrients and pesticides in streams of the eastern Iowa Basins, 1970-95 /
Published: (1999)

Herbicides and nitrates in the Iowa River alluvial aquifer prior to changing land use, Iowa County, Iowa, 1996.
by: Savoca, Mark E.
Published: (1997)

Iowa agriculture ; an historical survey.
by: Ross, Earle Dudley, 1885-
Published: (1951)

Fractionation and characterization of organic matter in wastewater from a swine waste-retention basin /
by: Leenheer, J. A.
Published: (2004)

Hydrogeologic and agricultural-chemical data for the South Skunk River alluvial aquifer at a site in Story County, Iowa, 1992-93.
by: Buchmiller, Robert
Published: (1995)

Pesticides in Iowa surface waters : summary of a workshop held March 1977 /
Published: (1977)

Cropland conservation practices to protect groundwater sources of drinking water.
Published: (2015)

Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91.
by: Kalkhoff, Stephen J.
Published: (1996)

Small family farms in American agriculture : projected incomes for north central Iowa small farms /
by: Drabenstott, Mark R.
Published: (1980)

Networking the farm : the social structure of cooperation and competition in Iowa agriculture /
by: Ziegenhorn, Randy
Published: (1999)

Technical and regulatory status of the placement of sanitary landfills in Iowa : completion report /
by: Sendlein, Lyle V. A.
Published: (1977)

Shake-out : Iowa farm families in the 1980s /
by: Friedberger, Mark
Published: (1989)

Tending Iowa's land : pathways to a sustainable future /
Published: (2022)

Water-quality assessment of the eastern Iowa basins : selected pesticides and pesticide degradates in streams, 1996-98 /
Published: (2003)

Water management, water quality and engineering geology study of selected oxbow lakes as they may be impacted by dredging : phase II /
by: Lohnes, Robert A.
Published: (1979)

Farm size and cost functions in relation to machinery technology in north central Iowa /
by: Zhan, Yilang
Published: (1976)

South Fork Iowa River Watershed selected for a national water-quality study.
Published: (2005)

Nutrient concentrations, loads, and yields in the Middle Iowa River Basin, Iowa /
by: Garrett, Jessica D., et al.
Published: (2021)

Agricultural chemicals in ground and surface water in a small watershed in Clayton County, Iowa, 1988-91 /
by: Kalkhoff, Stephen J., et al.
Published: (1995)

Iowa.
Published: (1999)

Concentrations and possible sources of nitrate in water from the Silurian-Devonian aquifer, Cedar Falls, Iowa /
by: Schaap, Bryan D.
Published: (1999)

Economic impact of the arts in Iowa /
by: Fuller, John W.
Published: (1982)

Iowa's commercial farms : an analysis of the USDA cost of production survey /
by: Griffin, Steven C.
Published: (1978)

Ames reservoir environmental study : appendix 1, vol. 2, natural land archeological resources of the reservoir site and stream system /
Published: (1973)

Water-quality and biological assessment of the Iowa River and tributaries within and contiguous to the Meskwaki Settlement of the Sac and Fox Tribe of the Mississippi in Iowa, 2006-07 /
by: Littin, G. R.
Published: (2009)

Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 /
by: Kalkhoff, Stephen J.
Published: (1993)