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MN90: Parasites, Not Pesticides

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Britt Aamodt describes Pu Zhelong's contributions to the history of pest management in Minnesota.

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http://ampers.org/mn-in-90-seconds/parasites-not-pesticides

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Pest Management in Minnesota Agriculture

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Made possible by the Arts and Cultural Heritage Fund through the vote of Minnesotans on November 4, 2008. Administered by the Minnesota Historical Society.
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