Douglas B. Walsh

1 book

Field Guide for Integrated Pest Management in Hops by Douglas B. Walsh

Field Guide for Integrated Pest Management in Hops
—
Douglas B. Walsh

Field Guide for Integrated Pest Management in Hops
Douglas B. Walsh with Ann E. George, James D. Barbour, David H. Gent, Rick A. Boydston, David G. James, J. Robert Sirrine

106 pages • first pub 2009 (editions)

Field Guide for Integrated Pest Management in Hops by Douglas B. Walsh

Field Guide for Integrated Pest Management in Hops
—
Douglas B. Walsh

Field Guide for Integrated Pest Management in Hops

Douglas B. Walsh with Ann E. George, James D. Barbour, David H. Gent, Rick A. Boydston, David G. James, J. Robert Sirrine

106 pages • first pub 2009 (editions)

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