America's animal factories : how states fail to prevent pollution from livestock waste /Publisher: [Washington, D.C.] : The Council,
Date: [1998] This title can be found in 1 Iowa libraries.
Rotation and manure experiments on the Wisconsin drift soil area /Author: Stevenson, W. H.
Publisher: Ames, Iowa : Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts,
Date: 1916. This title can be found in 1 Iowa libraries.
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