. 
SIBRERERE PERSE eee eee 
I, SOIL ALKALINITY 
ORIGIN, DISTRIBUTION, PHYSICAL AND CHEMICAL PROPERTIES AND TREATMENT 
ALADJEM, R. Decomposition of Ni- 
trates as a Possible Cause of Forma- 
tion of Sodium Carbonates in Egyptian 
Soils. Cairo Scientific Jour., v. 6 
(1912), p. 301-302. 
Outline of tests to determine effect of contin- 
uous water-logged condition upon nitrification 
of soils. 
Ames, J. W. Some Alkali Soils in Ohio. 
Ohio Sta. M. Bul. 1 (1916), p. 209- 
210. 
Nontechnical discussion. 
Bancrort, R.L. Alkali Soils of Iowa. 
Iowa Sta. Bul. 177 (1918), 22 p. 
A study of conditions and methods for correc- 
tion. Diagrammatic and tabular data. 
Berson, J. L. Physical Effects of 
Various Salts and Fertilizer Ingredi- 
ents Upon a Soil as Modifying the 
Factors Which Control Its Supply of 
Moisture. Am. Chem. Soc. Jour., 
v. 19 (1897), p. 620-649. 
Experiments on rate of saturation, percolation, 
capillary rise, and evaporation as affected by 
salts. Tabular data. 
Brerce, R. Emploi de la Chauz et des 
Craies Broyees Pour Corriger L’ Aci- 
dite des Sols. Academie d’agricul- 
ture (France), Comptes Rendus, v. 6 
(1920), p. 934-9. 
BREAZEALE, J. F. Formation of Black 
Alkali (Sodium Carbonate) in Cal- 
careous Soils. Jour. Ag. Research, 
v. 10 (1917), p. 541-589. 
Extended technical discussion of formation of 
black alkali from sodium salts and calcium car- 
bonate and retarding effects of various other salts. 
Action of bldck alkali on soil and vegetation. 
Results of laboratory tests. Much tabular data. 
Bibliography. 
Brices, L. J. Electrical Instruments 
for Determining the Moisture, Tem- 
perature, and Soluble Salt Content for 
Soils: U. S: Bur... Soils. Bul: 15 
(1899), 35 p. 
Detailed description of electric hygrometer, 
electric soil thermometer, and electrolytic soil 
bridge, their use and adjustments. Diagram- 
matic and tabular data. Illustrated. 
Brices, L. J. and M. W. Lapuam. 
Influence of Dissolved Salis on the 
Capillary Rise of Soil Waters. U.S. 
Bur. Soils Bul. 19 (1902), p. 5-18. 
Laboratory tests on soil from James Island, 
§. C. Tabular data and drawings. 
BrowasH, A. H. See Suurt, F. T., 
and A. H. Browasuy, I. 
Brown, O. F., and R. A. Hart. Re- 
clamation of Seeped and Alkali Lands. 
Utah Sta. Bul. 111 (1910), p. 75-92. 
Recommendations concerning drainage and 
subsequent treatment of alkali lands. Dia- 
grams. Illustrated. 
Brown, P. E. See Stevenson, W. H., 
and P. E. Brown, I. 
Burp, J. 8. Alkali and the Treatment 
of Alkali Lands (I and II). Idaho 
Sta. Bul. 44 (1904) and 51 (1905), 
10 p. and 20 p. 
Discusses origin, nature, effects of alkali in 
soil and water. Drainage as a reclamation 
measure. Tabular data. 
Butt, N. I. See Harris, F. S., and 
N: £. Burr. 
CaMERON, F. K. Alkali. ‘The Soil 
Solution” (Easton, Pa., 1911), p. 
110-125. 
General discussion of the origin and distribu- 
tion of alkali. Drainage as a reclamation meas- 
ure. Tabular data. 
Formation of Sodium Carbon- 
ate, or Black Alkali, by Plants. U.S. 
D. A. Rpt. 71 (1902), p. 61-70. 
General discussion. Considers specific plants. 
Tabular data. . 
and H. E. Patten. Removal of 
Black Alkali .by Leaching. Amer. 
Chem. Soc. Jour., v. 28 (1906), p. 
1639-1649. 
Investigations and conclusions as to methods 
and success of such reclamation. Tabular data. 
Crarke, F. W. Data of Geochemistry. 
U. S. G. S. Bul. 695 (1920), 832 p. 
Ibid., Bul. 616 (1916), 821 p. 
A critical summary of existing knowledge and 
guide to important literature on the subject. 
Couz, L.H. Alkali Deposits of Western 
Canada. Can. Eng., v. 40 (1921), 
p. 460. 
Diseusses nature and distribution of alkali 
salts in waters and soils. 
Crawiy, J. T. Water-Holding Power 
and Irrigation of Hawaiian Soils. 
The Application of Nitrate of Soda. 
The Accumulation of Salt in Hawaiian 
Soils. Hawaiian Planters, v. 21 
(1902), p. 358-63. Abs., Exper. Sta. 
Rec.,.v. 14, p. 555. 
Discusses irrigation, fertilization, and salt con- 
nos in Hawaiian sugar lands. Tabular 
ata. 
DeEakIN, A. TIrrigated India. (Lon- 
don, 1893), 322 p. 
Narrative Bcpount of India: Its people, their 
activities, and in particular, the irrigation 
systems. 
Dimo, N. A. Influence of Irrigation 
and of Increased Natural Humidity 
on the Process of Soil Formation and 
of the Transportation of Salts in the 
Soils and Subsoils of the Golodnoi 
(Hungary) Steppe. Russ. Jour. 
Exper. Landw., v. 15 (1914), p. 136— 
188. Abs., Exper. Sta. Rec., v. 34, 
Bos 
A study of the compositions of soils and waters. 
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