University of Minnesota. Agricultural Experiment Station2013-11-122013-11-121958-05https://hdl.handle.net/11299/16016724 pagesplastic greenhouses, control of bovine mastitis, cockroaches serve science, fertilizer nitrogen, spices, wool, bunker silos, calf starters and rations, field drying of hay, swine breeding, breeding problems in cattle, canada thistle,en-US