128 INDEX 



' PAGE 

 Briggs, James J., cited 55 



and Lapham, Macy H., cited 41 



and McLane, John W., cited 26 



Martin, F. O., and Pearce, J. R., cited 31 



Brooks, William P., cited 5 



Brown, Bailey E., cited 46 



quoted 46, 115 



Bryan, H. See Davis, R. O. E., and Bryan, H. 



Buckingham, Edgar, cited ; 30 



Burney, W. B., quoted 98 



Cameron, Frank K., cited no, 114, 115 



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

 Kearney, Thomas H., and Cameron, Frank K. ; 

 Whitney, Milton, and Cameron, Frank K. 



and Bell, James M., cited 31, 38, 50, 113, 122 



and Breazeale, James F., cited 62 



and Gallagher, Francis E., cited 24 



and Patten, Harrison E., cited 63, 124 



and Robinson, William O., cited 27, 53 



Bell, James M., and Robinson, William O., cited 114 



Calcium nitrate, basic 108 



Carbon dioxide in the soil 53 



Charpentier, Jean G. F., cited 113 



Chemical analysis of soils. See Soil analysis Chemical. 



Chesneau, G., cited 68 



Christie, W. A. K. See Holland, Sir Thomas H., and Christie, W. A. K. 



Clarke, Frank Wigglesworth, cited 76, 115 



Coff ey, George N., quoted 23 



Concentration of mineral constituents 39 



Concentration, Plant growth and 70 



Cracking of soil 22 



Creep 19 



Creighton, Henry J. M. See Findlay, Alexander, and Creighton, 

 Henry J. M. 



Critical moisture content 24 



Crop control methods 7, 105 



plants defined I 



producing power and aqueous extract 81 



rotation, Natural 97 



Obj ects of 4 



yields increasing 16 



Crumb structure of soils 25 



Crumbing 27, 119 



