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Pyrethrum plant investigations in Colorado
Published 1936Online Access
Government Document Electronic eBook -
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Pyrethrum flowers : production, chemistry, toxicology, and uses /
Published 1995Conference Proceeding Book -
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Pyrethrum, the natural insecticide
Published 1973Full Text (via ScienceDirect)
Electronic Conference Proceeding eBook -
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Pyrethrum investigations in Colorado.
Published 1933Search for the full-text version of this title in HathiTrust
Government Document Book -
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Relative insecticidal value of commercial grades of pyrethrum /
Published 1930Government Document Book -
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