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Agents for biological control of purple nutsedge, Cyperus rotundus L. : the genus Bactra Stephens (Lepidoptera : Tortricidae : Olethreutinae) as a major source, with emphasis on the biology and potential use of Bactra verutana Zeller - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1985)

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The American farmer's encyclopedia : embracing all the recent discoveries in agricultural chemistry, and the use of mineral, vegetable and animal manures, with descriptions and figures of American insects, injurious to vegetation. Being a complete guide for the cultivation of every variety of garden and field crops. Illustrated by numerous engravings of grasses, grains, animals, implements, insects, etc - Emerson, G. (Gouverneur), 1796 -1874 (A.O. Moore, Agricultural Book Publisher, 1858)

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