Crop costs and returns on major soil associations in northern Indiana, 1956 /
by Paul R. Robbins, Monte E. Juillerat, and A.J. Ohlrogge.

APA Citation

Robbins, P. R., Juillerat, M. Everett. (1959). Crop costs and returns on major soil associations in northern Indiana, 1956. Lafayette, Ind.: Purdue University Agricultural Experiment Station.

MLA Citation

Robbins, Paul R, and Monte Everett Juillerat. Crop Costs And Returns On Major Soil Associations In Northern Indiana, 1956. Lafayette, Ind.: Purdue University Agricultural Experiment Station, 1959.