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  1. Freeze probabilities in Illinois / by Lothar A. Joos.
    By: Joos, Lothar A.
    Publication info: Urbana, Ill. :University of Illinois, Agricultural Experiment Station in cooperation with the U.S. Weather Bureau,1960.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Crops and climate  Frost  Frost resistance  Illinois  Plants  
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  2. Frost resistance in flax /
    By: Davis, Robert L.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1923.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Flax  Frost resistance  Plants  
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  3. Should ponderosa pine be planted on lodgepole pine sites? /
    By: Cochran, P. H. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: [Portland, Or.?] :U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station,[1984]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Frost resistance  Lodgepole pine  Plants  Ponderosa pine  
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  4. Winter-hardy roses from Agriculture Canada /
    By: Ogilvie, Ian S. - Canada.
    Publication info: Ottawa, Ont. :Communications Branch, Agriculture Canada,1993.
    Contributed by: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Canada  Frost resistance  Roses  Varieties  
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