Mumford, D. Curtis, George A. Sallee and C.C. Ruud. 1928. A Preliminary report of cost of crop production from data secured in 1927 on the farm accounting route at Crookston, Polk County, Minnesota. St. Paul, MN: University of Minnesota. Agricultural Experiment Station.
This is the second report to be issued based on crop data secured on the Polk County route.The figures give the detailed results obtained in 1927 and also the average results for 1926.
Mumford, D. Curtis; Sallee, George A.; Rudd, C.O..
A Preliminary report of cost of crop production from date secured in 1927 on the farm accounting route at Crookston, Polk County, Minnesota..
St. Paul, MN: University of Minnesota, Agricultural Experiment Station..
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