INDEX 133 



PAGE 



Rajputana, Salt deposits 116 



Rayleigh, Lord, cited 26 



Reed, Howard S. See Schreiner, Oswald, and Reed, Howard S. ; 

 Schreiner, Oswald, Reed, Howard S., and Skinner, J. J. 



Removal of plant nutrients, Supply and 75 



Reversible reactions 34 



Ries, Heinrich, quoted 112 



River waters, Concentration of 76 



Robinson, William O. See Cameron, Frank K., and Robinson, William 

 O. ; Cameron, Frank K., Bell, James M., and Robinson, W. O. 



Rodewald, H., cited 24 



Romer, Hermann. See Wilfarth, Hermann, Romer, Hermann, and 

 Wimmer, G. 



Root etchings 9 



Root growth mechanism 19 



Roots of growing plants 18 



Rotation of crops 97 



Rothmund, V., cited 68 



"Run-off" 22, 75 



Russell, Edward J., cited 103 



See also Darbishire, Francis V., and Russell, 

 Edward J. 



and Hutchinson, Henry B., cited 72 



Sachs, Julius, Experiments on root etchings 9 



Salt as fertilizer, Common 108 



Sarasin, Edmond. See Friedel, Charles, and Sarasin, Edmond 34 



Schmidmer, Edward. See Fischer, Emil, and Schmidmer, Edward. 



Schreiner, Oswald, quoted 102 



and Failyer, George H., cited 41, 47 



and Reed, Howard S., cited 100, 101 



and Shorey, Edmund C., cited 95 



and Sullivan, M. X., cited 100 



Reed, Howard S., and Skinner, J. J., quoted 89 



Sea water, Desiccation of ill 



Seedlings, Growth of 74, 80, 82, 84, 86, 88, 100, 102 



Seedlings, Toxic action of acids and salts 62 



Seidell, Atherton, quoted 115 



Shaler, Nathaniel S., cited 20 



Shorey, Edmund C., cited 95 



See also Schreiner, Oswald, and Shorey, E. C. 



Shrinking of soils 22 



Skinner, J. J., quoted 99, 102 



