INDEX. 



PAGE 



Absorbents, Influence on soil extracts 38 



Absorption by soils 9, 59, 65 



formula 62 



of dyes 60, 61 



rate 63 



selective 61 



Acid digestion of soils u, 12 



Adsorption 9, 60 



Alkali 1 10, 1 18 



Effect on soils 118 



Order of deposition 112 



Reclamation 117, 121 



Source in, 117 



Antagonism between salts 120 



Apophyllite, Crystallization from water 35 



Apple trees, Effect of grass on 98 



Appleyard, James R. See Walker, James, and Appleyard, James R. 



Ash analyses 1 1, 13 



Association of Official Agricultural Chemists' analyses, quoted 12 



cited 12 



"official method". .. .10, 12 



"Available" and "non-available" plant-food elements 8 



Averitt, S. D. See Peter, Alfred M., and Averitt, S. D. 



Bacteria in soils 103 



Bailey, Liberty H., cited , 5 



Balance between supply and removal of mineral plant nutrients 75 



Barium in soils 107 



Bardt, A. See Doroshevskii, A., and Bardt, A. 



Becquerel, Antoine C., cited 67 



quoted 68 



Bell, James M., and Cameron, Frank K., cited 28 



Bell, James M. See also Cameron, Frank K., and Bell, J. M. ; Cam- 

 eron, Frank K., Bell, J. M., and Robinson, W. O. 



Benedick, Carl, cited 55 



Birner, H., and Lucanus, B., cited 70 



Bischof, Gustav, cited 113 



Black alkali no, 114, 119, 124 



Blanck, Edward, cited 63 



Breazeale, James F., acknowledgments 80 



cited 71 



See also Cameron, Frank K., and Breazeale, 

 J. F. ; LeClerc, J. A., and Breazeale, J. F. 



