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(2020) Watershed Planning Advisory Council 2020 Annual Report, November 30, 2020. Agriculture and Land Stewardship
(2019) Watershed Planning Advisory Council 2019 Annual Report, November 21, 2019. Agriculture and Land Stewardship
(2002) Cropping Practices Baseline Data, 2002. Agriculture and Land Stewardship
(2002) Iowa Soil Properties and Interpretation Database, 2002. Agriculture and Land Stewardship
(2001) Hub/Spokes Nutrient Management Model, 2001. Agriculture and Land Stewardship
(1958) Research on Irrigation of Corn and Soybeans at Conesville and Ankeny, Iowa, 1951-1955 by G.O. Schwab, March 1958. Iowa State University
(1958) Seasonal Changes in Soil Moisture as related to Rainfall, Soil Type and Crop Growth by R.H. Shaw, J.R. Runkles and G.L. Barger, February 1958. Iowa State University
(1919) Yearbook of the United States Department of Agriculture, 1919. Agriculture and Land Stewardship
(1908) Yearbook of the United States Department of Agriculture, 1908. Agriculture and Land Stewardship
(1899) Yearbook of the United States Department of Agriculture, 1899. Agriculture and Land Stewardship
