Iowa Agriculture and Home Economics Experiment Station Research Bulletin: Volume 13

Journal Volume:

Iowa Agriculture and Home Economics Experiment Station Research Bulletin: Volume 13

Journal

Journal

Iowa Agriculture and Home Economics Experiment Station Research Bulletin

Journal Issues

Journal Issue

The Winogradsky spontaneous culture method for determining certain soil deficiencies

Journal Issue

The production of gum by certain species of Rhizobium

Journal Issue

Bacteriology of butter V. Studies on the microorganisms in churns

Journal Issue

The uses of efficiency factors in analysis of farm records

Journal Issue

Variations in swine prices within Iowa including a study in statistical procedure

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