Biodiversity Heritage Library
By "University of Massachusetts at Amherst. Cooperative Extension Service. "
By: University of Massachusetts at Amherst. Cooperative Extension Service. - University of Massachusetts at Amherst. Dept. of Plant and Soil Sciences.
Publication info: Amherst, Mass. :Cooperative Extension Service, College of Agriculture, University of Massachusetts, Amherst,
Contributed by: UMass Amherst Libraries (archive.org)