INDEX 



249 



Catlin, C. N., 104 

 Cause of hardpan, 123 

 Celery, 217 

 Cell: 



effect of alkali on, 35 



sap concentration, 35 

 Cement drain tile, 1 74 

 Changing soil structure, 119 

 Chemical: 



equilibrium, 105 



methods of determining alkali, 81 



treatments for alkali, 161 

 Chezy-Kutter formula, 179 

 Chili, soluble salt deposits in, 10 

 Chloride: 



determination, 88 



effect on capillarity, 130 

 Clarke, F. W., 14, 18, 20, 32 

 Clovers, 200 

 Code, W. W., 238 

 Coe, H. S., 199, 221 

 Colloids, effect of alkali on, 122 

 Colorado, alkali in, 8, 9 

 Comparison of analytical methods, 



85 . 

 Composition of: 



alkali in judging land, 243 



alkali waters, 231, 232 



earth's crust, 18 



hardpan, 127 



lithosphere, 17 



ocean water, 18 



rocks, 1 6, 17 



soil-forming minerals, 17 

 Conner, S. D., 221 

 Construction methods, 183 

 Contamination : 



source of, 154 



of irrigation water, 225 

 Copper, effect on salts, 116 

 Corn, 214 



Cost of drainage, 189 

 Cotton, 218 



Cotton wood, 221 

 Coupin, H., 46, 48, 58 

 Cowslip; as alkali indicator, 64 

 Crawley, J. T., 238 

 Crepis, as alkali indicator, 64 

 Cressa, as alkali indicator, 63, 70 

 Cretacious deposits, 23 

 Crimson clover, 200 

 Cropping in reclamation, 162 

 Crops for alkali land, 192 

 Crust, effect on evaporation, 157 

 Cultivation to reduce evaporation, 

 154 



Dakota formation. 23, 24 



Date palms, 219 



Davis, R. O. E., 104, 121, 128, 131 



Davy, J. B., 60, 80 



Deakin, A., 14 



Decomposition of rocks, 19 



Deflocculation of soil by alkali, 121 



De Greef, H., 220 



Demoussy, E., 118 



Description of alkali-indicating 



plants, 74 



Desolation, caused by alkali, 3 

 Determination of: 



alkali, 81 



bases, 92 



bicarbo nates, 86 



calcium, 92 



carbonates, 86 



chloride, 88 



magnesium, 93 



nitrate, 89 



sodium, 93 



sulphaie, 89 



total solids, 86 



Determining need of drainage, 170 

 Dieckman, G. P., 176, 190 

 Dimo, N. A., 15, 146, 151 

 Dissolved matter washed to sea, 19 



