Browsing North Dakota Farm Research / Bimonthly Bulletin by Author "Kopp, D. D."
Now showing items 1-2 of 2
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1981 Livestock Insecticide Ear Tag Demonstration For Horn Fly Control
Kopp, D. D.; Meyer, H.J.; Martin, R. J.; Kopp, D. D.; Meyer, H.J.; Martin, R. J. (North Dakota State University, 1982) -
Sunflower Midge -1982
Busacca, J. D.; Kopp, D. D.; Busacca, J. D.; Kopp, D. D. (North Dakota State University, 1983)