00741cam a22002531 4500 agr36000542 DLC 20260227110955.0 780223s1936 xx 000 0 eng agr36000542 (OCoLC)3663687 DLC OT DLC premarc SB951 .M485 1936 Martin, Hubert. The scientific principles of plant protection with special reference to chemical control, by Hubert Martin. London, E. Arnold & co. [1936] xii, 379 p. 23 cm. "Second edition." "References" at ends of sections. Fungicides. Insecticides. Plant protection. 9738 9738