Introduction to plant pathology,
Heald, F. D. 1872-
Introduction to plant pathology, by Frederick DeForest Heald ... - 2d ed. - New York, London, McGraw-Hill, 1943. - xii, 603 p. illus. (incl. ports.) 23 cm. - McGraw-Hill publications in the agricultural sciences .
Includes bibliographies.
agr43000203
Plant diseases.
SB731 / .H38 1943
581.2
464 / H34 In Ed.2
Introduction to plant pathology, by Frederick DeForest Heald ... - 2d ed. - New York, London, McGraw-Hill, 1943. - xii, 603 p. illus. (incl. ports.) 23 cm. - McGraw-Hill publications in the agricultural sciences .
Includes bibliographies.
agr43000203
Plant diseases.
SB731 / .H38 1943
581.2
464 / H34 In Ed.2