102 MISC. PUBLICATION 2 81, IT. S. DEPT. OF AGRICULTURE 



Veihmeyer, F. J. (1870) 



moisture equivalent studies. Calif. Agr. Expt. Sta. Rept. 1921-22:107. 

 1922. 



and Hendrickson, A. H. (1871) 



the moisture equivalent as a measure of the field capacity of soils. 



Soil Sci. 32: 181-193, illus. 1931. 



Israelsen, O. W., and Conrad, J. P. (1872) 



THE MOISTURE EQUIVALENT AS INFLUENCED BY THE AMOUNT OF SOIL USED IN 



its determination. Calif. Agr. Expt. Sta. Tech. Paper 16, 61 pp., illus. 

 1924. 



Work, R. A., and Lewis, M. R. (1873) 



MOISTURE EQUIVALENT, FIELD CAPACITY, AND PERMANENT WILTING PERCENT- 

 AGE and their ratios in heavy soils. Agr. Engin. 15: 355-362, illus. 

 1934. 



See also Brown and others (1884), Brown (2472), Bryan (2187), Caldwell 

 (2475), Cannon (2480), Hanson and others (2128), Hedgcock (2523), 

 Korstian (2220), Lutz (6729, 6730), Musgrave (6766), Norton and others 

 (1973), Robinson (1673), Shantz (2263), Shreve (1685), Shull (2579), Sin- 

 clair (1692), and Shive and others (2575). 



Soil Chemistry 



Publications treating of the chemical properties and characteristics of soils; 

 the effects which these properties and characteristics have on range plants and 

 plant groups. 



Anderson, M. S., Fry, W. H., Gile, P. L., Middleton, H. E., and Robinson, 

 W. 0. (1874) 



ABSORPTION BY COLLOIDAL AND NONCOLLOIDAL SOIL CONSTITUENTS. U. S. 



Dept. Agr. Bull. 1122, 20 pp. 1922. 

 Bailey, E. H. (1875) 



THE EFFECT OF AIR DRYING ON THE HYDROGEN-ION CONCENTRATION OF THE 

 SOILS OF THE UNITED STATES AND CANADA. U. S. Dept. Agr. Tech. Ball. 



291, 44 pp., illus. 1932. 

 Beath, O. A. (1876) 



SELENIUM IN NATIVE RANGE PLANTS OCCURRING ON SOILS DERIVED FROM 



permian or triassic (?) sediments. Science (n. s.) 83: 104. 1936. 



Eppson, H. F., and Gilbert, C. S. (1877) 



SELENIUM AND OTHER TOXIC MINERALS IN SOILS AND VEGETATION. WvO. Agr. 



Expt. Sta. BuU. 206, 56 pp., illus. 1935. 

 Berkman, A. H. (1878) 



THE PH VALUE OF SOME TEXAS SOILS AND ITS RELATION TO THE INCIDENCE OF 



certain woody plant species. Soil Sci. 25: 133-142. 1928. 

 Bouyoucos, G. J. (1879) 



RATE AND EXTENT OF SOLUBILITY OF SOILS UNDER DIFFERENT TREATMENTS 



and conditions. Mich. Agr. Expt. Sta. Tech. Bull. 44, 49 pp., illus. 

 1919. 



Bradfield, R. (1880) 



some chemical reactions of colloidal clay. Jour. Physical Chem. 35: 

 360-373, illus. 1931. 



Breazeale, J. F. (1881) 



FORMATION OF "BLACK ALKALl" (SODIUM CARBONATE) IN CALCAREOUS SOILS. 



Jour. Agr. Research 10: 541-590, illus. 1917. 

 " (1882) 



ALKALI TOLERANCE OF PLANTS CONSIDERED AS A PHENOMENON OF ADAPTA- 

 TION. Ariz. Agr. Expt. Sta. Tech. BuU. 11, pp. 239-256, illus. 1926. 



and McGeorge, W. T. (1883) 



NUTRITIONAL DISORDERS IN ALKALINE SOILS AS CAUSED BY DEFICIENCY OF 



carbon dioxide. Ariz. Agr. Expt. Sta. Tech. Bull. 41, pp. 113-153, 

 illus. 1932. 



