Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions

THEIR FORMATION, PROPERTIES, COMPOSITION, AND RELATIONS TO CLIMATE AND PLANT GROWTH IN THE HUMID AND ARID REGIONS
BY E. W. HILGARD, Ph.D., LL.D.,
PROFESSOR OF AGRICULTURE IN THE UNIVERSITY OF CALIFORNIA, AND DIRECTOR OF THE CALIFORNIA AGRICULTURAL EXPERIMENT STATION
New York THE MACMILLAN COMPANY LONDON: MACMILLAN & CO., Ltd. 1921
Copyright, 1906, By THE MACMILLAN COMPANY.
Set up and electrotyped. Published July, 1906.
Norwood Press: Berwick & Smith Co., Norwood, Mass., U.S.A.
SUMMARY OF CHAPTERS.
TABLE OF CONTENTS.
CHAPTER I.
CHAPTER II.
CHAPTER III.