principles and applications Hough, Walter Seneff 1893- creator Mason, Albert Freeman 1891- joint author. text bibliography nyu New York Macmillan 1951 Rev. ed. monographic eng

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ix, 726 p. illus. 22 cm. [by] Walter S. Hough [and] A. Freeman Mason. Rev. and enl. ed. of A. F. Mason's Spraying, dusting, and fumigating of plants, issued 1928. Bibliographical footnotes. "Sources of materials and equipment used in plant protection": p. 699. Pesticides Insect pests SB951 .H837 632 agr51000552 DLC 750612 20260227111016.0 agr51000552