Rehm, George2019-09-182019-09-181988https://hdl.handle.net/11299/2075081 online resource (PDF, 4 pages)This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enManagement of soils in South-Central Minnesota: a correspondence course. Unit 6: soil acidity and limingReport