808 resultados para organochlorine insecticides


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Blank pages for memoranda in back.

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Includes bibliographical references (p. 43-44).

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Includes bibliographical references.

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Reprinted, in part, from various journals.

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The nature and use of certain insecticides / J.L. Phillips and H.L. Price -- Orchard technique. I. The fruit soils of Virginia. II. Fruit list for Virginia / Wm. B. Alwood -- Orchard technique. III. Growing the apple orchard / Wm. B. Alwood -- Orchard Technique. IV. Spraying the orchard / Wm. B. Alwood -- Orchard technique. V. Apple production in Virginia / Wm. B. Alwood.

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Proefschrift--Veeartsenijkundige hoogeschool, Utrecht.

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Pages 293-305, advertising matter.