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The distribution and magnitude of injury by the clover root borer, Hylastinus obscurus Marsham, and clover root curculio, Sitona spp., to red and mammoth clover in the Lower Peninsula of Michigan

The distribution and magnitude of injury by the clover root borer, Hylastinus obscurus Marsham, and clover root curculio, Sitona spp., to red and mammoth clover in the Lower Peninsula of Michigan

Niemczyk, Harry Donald

Text (1958)

Part of Electronic Theses & Dissertations