(1) Agricultural Geology (2) The Soils and Agriculture of the Southern States (3) Productive Soils: The Fundamentals of Successful Soil Management and Profitable Crop Production (4) Soil Alkali: Its Origin, Nature and Treatment (5) Text-book of Land Drainage (6) Agriculture and Irrigation in Continental and Tropical Climates

Abstract

THE output of books on the soil is now considerable, especially in the United States, and it is gratifying to find that the number of agricultural students is so large as to justify an array of volumes such as now exists.

(1) Agricultural Geology.

By Dr. F. V. Emerson. Pp. xviii + 319. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1920.) 16s. 6d. net.

(2) The Soils and Agriculture of the Southern States.

By H. H. Bennett. Pp. xviii + 399 + plates. (New York: The Macmillan Co.; London: Macmillan and Co., Ltd., 1921.) 18s. net.

(3) Productive Soils: The Fundamentals of Successful Soil Management and Profitable Crop Production.

By W. W. Weir. (Lippincott's Farm Manuals.) Pp. xvi + 398. (Philadelphia and London: J. B. Lippincott Co., 1920.) 10s. 6d. net.

(4) Soil Alkali: Its Origin, Nature and Treatment.

By Prof. F. S. Harris. (Wiley Agricultural Series.) Pp. xvi + 258. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1920.) 13s. 6d. net.

(5) Text-book of Land Drainage.

By J. A. Jeffery. (Wiley Agricultural Series.) (The Rural Text-book Series.) Pp. xx + 256. (New York: The Macmillan Co.; London: Macmillan and Co., Ltd., 1921.) 10s. 6d. net.

(6) Agriculture and Irrigation in Continental and Tropical Climates.

By K. D. Doyle. Pp. xv + 268. (London: Constable and Co., Ltd., 1921.) 19s. net.