Browsing Texas A&M AgriLife Extension Service by Author "Machen, Rick"
Now showing items 1-4 of 4
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McGinty, Allan; Machen, Rick; Rollins, Dale (Texas Agricultural Extension Service, 1992)
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McGinty, Allan; Machen, Rick (Texas Agricultural Extension Service, 1993)
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Lyons, Robert K.; Machen, Rick; Forbes, T.D.A (Texas Agricultural Extension Service, 1996)
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Lyons, Robert K.; Machen, Rick; Forbes, T.D.A (Texas Agricultural Extension Service, 1996)