A Practical Course in Agricultural Chemistry

Laboratory handbooks of agricultural chemistry for students are not numerous, and the second edition of Knowles and Watkin's useful practical course is especially welcome at present, when laboratories and teachers are so hard pressed to cope with their swollen classes.A Practical Course in Agricultural ChemistryFor Senior Students of Agriculture, Dairying, Horticulture and Poultry Husbandry. By Frank Knowles and Dr. J. Elphin Watkin. Second edition. Pp. xi + 216. (London: Macmillan and Co., Ltd., 1947.) 12s. 6d. net.