KAttGE BIBLIOGRAPHY 99 



Soil Physics 



Publications treating of the physical properties and characteristics of soils; 

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

 and plant groups. 



Alway, F. J., and McDole, G. R. (1812) 



RELATION OF THE WATER-RETAINING CAPACITY OF A SOIL TO ITS HYGROSCOPIC 



coefficient. Jour. Agr. Research 9: 27-71. 1917. 



Anderson, M. S., and Mattson, S. (1813) 



properties of the colloidal soil material. U. S. Dept. Agr. Bull. 1452, 

 47 pp. 1926. 



Blackman, V. H. (1814) 



the wilting coefficient of the soil. Jour. Ecology 2: 43-50. 1914. 



Bouyoucos, G. J. (1815) 



AN INVESTIGATION OF SOIL TEMPERATURE AND SOME OF THE MOST IMPORTANT 



factors influencing it. Mich. Agr. Expt. Sta. Tech. Bull. 17: [71-196, 

 iUus. 1913. 



■ (1816) 



soil temperature. Mich. Agr. Expt. Sta. Tech. Bull. 26, 133 pp. 1916. 



(1817) 



DEGREE OF TEMPERATURE TO WHICH SOILS CAN BE COOLED WITHOUT FREEZ- 

 ING. Jour. Agr. Research 20: 267-269. 1920. 



— (1818) 



a new classification of the soil moisture. Soil Sci. 11: 33-47, illus. 

 1921. 



(1819) 



studies on the dispersion procedure used in the hydrometer method 



for making mechanical analysis of soils. Soil Sci. 33: 21-26. 1932. 



■ (1820) 



FURTHER STUDIES ON THE RELATIONSHIPS BETWEEN THE FINE MATERIAL OF 

 SOILS AND THEIR PHYSICAL CHARACTERISTICS. Soil Sci. 33 : 27~39, illuS. 



1932. 



Briggs, L. J. (1821) 



the mechanics of soil moisture. U. S. Bur. Soils Bull. 10, 24 pp., illus. 

 1897. 



■ and Lapham, M. H. (1822) 



CAPILLARY studies and filtration of clay from soil solutions. U. S. 

 Bur. Soils Bull. 19, 40 pp., illus. 1902. 



and McLane, J. W. (1823) 



the moisture equivalent of soils. U. S. Bur. Soils Bull. 45, 23 pp., illus. 

 1907. 



Buckingham, E. (1824) 



contributions to our knowledge of the aeration of soils. U. S. Bur. 

 Soils Bull. 25, 52 pp. 1904. 



(1825) 



STUDIES ON THE MOVEMENT OF SOIL MOISTURE. U. S. Bur. Soils Bull. 38, 61 



pp. 1907. 



Burr, W. W. (1826) 



the storage and use of soil moisture. Nebr. Agr. Expt. Sta. Bull. 140, 

 20 pp. 1914. 



''Cameron, F. K., and Gallagher, F. E. (1827) 



moisture content and physical conditions of soils. U. S. Bur. Soils. 

 Bull. 50, 70 pp., illus. 1908. 



Cannon, W. A. (1828) 



soil temperature and plant growth. Plant World 20: 361-363. 1917. 



and Free, E. E. (1829) 



the ecological significance of soil aeration. Science (n. s.) 45: 178- 



180. 1917. 



