Showing 1 - 4 results of 4 for search '"Bosziekten en -plagen"', query time: 3.43s Refine Results
  1. 1
    Red oak borers become sterile when reared under continuous light /
    by Galford, Jimmy R
    Published 1975
    Subjects: “...Bosziekten en -plagen...”

    Government Document Book
  2. 2
    Mountain pine beetle in Front Range ponderosa pine : what it's doing and how to control it /
    Published 1974
    Subjects: “...Bosziekten en -plagen...”

    Government Document Book
  3. 3
    Risk rating guide for mountain pine beetle in Black Hills ponderosa pine /
    by Stevens, Robert E., 1928-2020
    Published 1980
    Subjects: “...Bosziekten en -plagen...”

    Government Document Book
  4. 4
    Timing cacodylic acid treatments for control of mountain pine beetles in infested ponderosa pines /
    by Stevens, Robert E., 1928-2020
    Published 1974
    Subjects: “...Bosziekten en -plagen...”

    Government Document Book
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