862 



AGRICULTURAL INDEX 



Soil adsorption — Continued 

 Adsorption of ammonium sulphate by soils 



and quartz sand. M. I. Wolkoff. Soil Sci 3: 



561-4 Je '17 _ „ 



Availability of nutrient salts. A. G. McCall. 



Am Soc Agron J 8:47-50 Ja '16 

 Cause and nature of soil acidity with special 



regard to colloids and adsorption. B. Truog. 



Int R Sci & Prac Ag 7, no 11:1587-8 N '16 

 Selective adsorption by soils. E. G. Parker. J 



Ag Research 1:179-88 D '13 

 See also Soil colloids 



Soil aeration 



Ecological significance of soil aeration, vv. A. 

 Cannon and E. E. Free. Science (Science 

 Press, Garrison, N.Y. 15c) ns 45:178-80 F 

 2:3 '17 

 Importance of soil-aeration in forestry. R. S. 

 Hole, il Ag J of India Sci Congress No 

 1916:27-32 '16 

 Importance of soil ventilation. Ag J of India 

 13:148-51 Ja '18 

 • Importance of soil ventilation on the allu- 

 vium. A. Howard. Ag J of India Sci Con- 

 gress No 1916:46-52 '16 

 Influence of potsherds of nitrification m the 

 Indian alluvium. Jatindra Nath Sen. il J 

 Ag Sci 9:32-42 Ag '18 

 Manurial value of potsherds. A. Howard. Ag 



J of India 11:256-62 Jl '16 

 Recent investigations on soil-aeration. A. 

 Howard; R. S. Hole, il Ag J of India 13: 

 416-40 Jl '18 

 Some factors affecting nitrate-nitrogen ac- 

 cumulation in soil. P. L. Gainey and L. F. 

 Metzler. bibliog J Ag Research 11:43-64 O 

 8 '17 

 Soil analysis 



Accurate loss-on-ignition method for deter- 

 mination of organic matter in soils. J. B. 

 Rather. Ark Ag Exp B 140:1-16 '17 

 * Ammonia and nitric nitrogen determinations 

 in soil extracts and physiological solutions. 

 B. S. Davisson. J Industrial & Eng Chem- 

 istrv (Am. Chemical Soc, Easton, Pa. 60c) 

 10:600-5 Ag '18 

 Analyses of one hundred West Virginia soils. 

 F. E. Bear and R. M. Salter, map W Va Ag 

 Exp B 161:1-36 '16 

 Analyses of soils of Dougherty county. W. A. 

 Worsham, jr., and others, map Ga Ag Coll 

 B 126:1-47 '17 

 Analyses of soils of Habersham county. W. A. 

 Worsham, jr. and others, il map Ga Ag Coll 

 B 114:1-40 Ja '17 

 Analyses of soils of Jackson county. W. A. 

 Worsham, jr., and others, map Ga Ag Coll 

 B 144:1-23 '18 

 Analyses of soils of Jasper county, Georgia. 



map Ga Ag Coll B 160:1-46 '18 

 Analyses of soils of Polk county. W. A. Wor- 

 sham, jr., and others, il map Ga Ag Coll B 

 127:1-54 '17 

 Analyses of typical soils. J. W. Ames. Ohio 



Ag'Exp B V 1:73-6 Mr '16 

 Analysis of soils, inanures, fodders, &c. ; 

 preparation of samples. Ag Gaz of New 

 South Wales 29:56-8 Ja.'lS 

 Analyzing soils. Gard Chron Am 21:60 F '17 

 Arable lands; analysis of certain soils of 

 Quebec. (In Report, 1917, p. 90-100) '17 Que- 

 bec ag. dept., Quebec 

 Calcium compounds in soils. B. C. Shorey and 



others. J Ag Research 8:57-77 Ja 15 '17 

 Calcium, magnesium, potassium, and sodium 

 in the drainage water from limed and un- 

 limed soil. T. L. Lyon and J. A. Bizzell. Am 

 Soc Agron J 8:81-91 Mr '16 

 Can we make a test tube of the soil? A. T. 



Morison. Hoard's D 53:884 Je 22 "17 

 Carbon dioxide production in soils and carbon 

 and nitrogen changes in soils variously 

 treated. R. S. Potter and R. S. Snyder, bib- 

 liog la Ag Exp Research B 39:253-309 '16 

 Chemical coinposition of the soils of the Free- 

 hold area in New Jersey. A. W. Blair and 

 H. C. McLean. N J Ag Exp B 309:1-37 '16 

 Chemical criteria, crop production and physi- 

 cal classification in two soil classes. J: S. 

 Burd. bibliog Soil Sci 5:405-19 My '18 



Coinparisons of methods for determining ni- 

 trogen in soils. W. L. Latshaw. J Industrial 

 and Eng Chemistry (Am. Chemical Soc, 

 Easton, Pa. $6 per yr) 8:1127 D '16 

 Composition of the soils of south central 



Texas. Tex Ag Exp B 213:1-48 '17 

 Condition of fertilizer potash residues in 

 Hagerstown silty loam soil. W: Frear and 

 E. S. Erb. bibliog J Ag Research 15:59-81 

 O 14 '18 

 County soil report, no. 1; report on Mecklen- 

 burg county soils, agriculture and indus- 

 tries, il N C Ag Dept B v ;^8:l-47 Ap '17 

 Determination of lime and phosphoric acid in 

 peat soils; comparison of Jonkoping with 

 Bremen method. C. O. Rost and P. C. Clapp. 

 bibliog Soil Sci 5:213-18 Mr '18 

 Determination of phosphorus in soils. H. A. 

 Noyes. Assn Oflic Ag Chem J 3:149-51 My 

 '17 



Determination of the lime requirements of 

 soils by the use of calcium bicarbonate. 

 L. P. Howard. Assn OfHc Ag Chem J 3:141-4 

 My '17 



Du Page county soils. C. G. Hopkins and 

 others, il map 111 Ag Exp Soil Report no 16: 

 1-56 '17 



Edgar county soils. C. G. Hopkins and others, 

 il maps 111 Ag Exp Soil Report no 15:1-56 '17 

 Effect of season and crop growth in modify- 

 ing the soil extract. G. R. Stewart, bibliog 

 il J Ag Research 12:311-68 P 11 '18 



Estimation of sulfur in plant material and 

 soil. G: A. Olson, bibliog Wash Ag Exp B 

 145:1-12 '17 



Extraction of nitrates froin soil. R. S. Potter 

 and R. S. Snyder. Am Soc Agron J 8:54-5 

 Ja '16 



Have you had your soil analysed? A. R. 

 Whitson and W. J. Geib. il map Wis Ag Ext 

 C 64:1-16 '16 



Influence of calcite inclusions on the deter- 

 mination of organic carbon in soils. E. C. 

 Shorey and W: H. Fry. J Industrial & Eng 

 Chemistry (Easton, Pa. 60c) 9:558-9 Je '17 



Inflivence of the presence of calcium carbon- 

 ate on the determination of available phos- 

 phoric acid in soils by Dyer's method. 

 Jatindra Nath Sen. Ag J of India 12:258-65 

 Ap '17 



Inorganic coinposition of some important 

 American soils. W^ O. Robinson. U S Ag B 

 122:1-27 '14 



Isolation of cyanuric acid from soil. L: E. 

 Wise and E. H. Walters, bibliog il J Ag Re- 

 search 10:85-92 Jl 9 '17 



Isolation of para-hydroxytaenzoic acid from 

 soil. E. H. Walters. Am Chemical Soc J 

 (Box 505, Washington, D.C. $6 per yr.) 39: 

 1778-84 Ag '17 



Lime requirements of some acid soils. S. D. 

 Conner. Assn Offlc Ag Chem J 3:139-40 My 

 •17 



Loess soils of the Nebraska portion of the 

 transition region: mechanical composition 

 and inorganic constituents. F: J. Alway and 

 C. O. Rost. bibliog Soil Sci 1:405-36 My '16 



Memorandum of soil tests. P. B. Linfleld. (/« 

 Report, 1917, p 71-4) '17 Canada Comm. of 

 conservation, Ottawa 



Methods in soil analysis. F. E. Bear and 

 R. M. Salter. W Va Ag Exp B 159:1-24 '16 



Methods of analysis, bibliog Assn OfRc Ag 

 Chem J l,no 4,pt 2:17-28 F '16 



Mottle-leaf of citrus trees in relation to soil 

 conditions. L. J. Briggs and others, il J Ag 

 Research 6:721-40 Ag 7 '16 



New apparatus for the determination of soil 

 carbonates and new m.ethods for the deter- 

 mination of soil acidity. E. Truog. J Indus- 

 ti-ial & Eng Chemistry (Am. Chemical Soc, 

 Easton, Pa. 60c) 8:341-5 Ap '16; Discussion. 

 9:1072-3 N '17 



New, rapid and accurate method for estimat- 

 ing lime and potash in soils. T. B. Keitt and 

 C. J. King. S C Ag Exp B 188:1-5 n. d. 



Note on the loss of phosphoric acid during 

 fusion with ammonium fluoride. W: A. 

 Davis and J. A. Prescott. J Ag Sci 8:136-8 

 S '16 



Notes on soils analysed. B. C. Aston. J Ag 

 New Zealand 13:36-41 Jl '16 



