Maintaining Fertility in the Wisconsin Drift Soil Area in Iowa

The Pasture Problem in Iowa

The Economic Value of Farm Manure as a Fertilizer on Iowa Soils: Volumes 229-241

Crop Returns Under Various Rotations in the Wisconsin Drift Soil Area

Crop Returns Under Various Rotations in the Wisconsin Drift Soil Area

Crop Yields on Soil Experiment Fields in Iowa

The Economic Value of Farm Manure as a Fertilizer on Iowa Soils

Cost of Living on Iowa Farms: Household expenditures, Volumes 231-242

Grape Pruning: The Spur and Long Cane Systems Compared, Volumes 156-161

Some Caterpillars Frequently Mistaken for the European Corn Borer: Volumes 101-124

The Iowa Soil Survey and Field Experiments

Testing Soils in the Laboratory and Field

The Use of Fertilizers on Iowa Soils

The Iowa System of Soil Management

Soil Surveys, Field Experiments and Soil Management in Iowa

Rotation and Manure Experiments on the Wisconsin Drift Soil Area

Raising Orphan Pigs: Protein modifications of cow's whole milk, frequency of feeding, nutritive ratio studies. I, Volumes 74-86

Influence of Environment and Breeding in Increasing Dairy Production: Volumes 162-175

Rural Social Survey of Hudson, Orange and Jesup Consolidated School Districts, Black Hawk and Buchanan Counties, Iowa: Volumes 217-230

Determination of Amino Acids and Nitrates in Soils: Amino Acids, Ammonia and Nitrates in Manured and Limed Soil, Volumes 22-33