lUlO 



AGRICULTURAL INDEX 



Soil absorption — Continued 



Rainfall, absorption and run-off on small 

 rural drainage area. I. E. Houk Eng News- 

 Pwecord (10th av at 36th st, N.T. 20c) 82:875-6 

 My 1 '19 



Rf>lationship between absorption and coagu- 

 lation with respect to the mineral colloids 

 in the soil. A. De Dominies and P. Chiar- 

 eri. Int R Sci & Prac Ag 9, no 9:1036-i S 

 'IS 



Relative absorption by soil of sodium car- 

 bonate and sodium chloride. T: H. Kear- 

 nev. bibliog Soil Sci 9:267-73 Ap '20 



Studies of a Scottish drift soil; absorptive 

 power of the soil and its mechanical frac- 

 tions. W: G. Ogg and J. Hendrick. bibliog 

 il J Ag Sci 10:333-57 Jl '20 

 See also Soil colloids 



Soil acidity „ ^, , . 



Acid soil studies: a study of the basis ex- 

 change between soil separates and salt so- 

 lutions. R. H. Robinson, bibliog Soil Sci 

 11:353-62 My '21 

 Acid soil studies: changes in calcium coni- 

 pounds added to acid soils. R. H. Robin- 

 son and D. E. Bullis. bibliog Soil Sci 11: 

 363-7 My '21 ., ^ ^. , 



Acidity and acidimetry of soils: studies of 

 the Hopkins and Pettit method for deter- 

 mining soil acidity. H: G. Knight. J Indus 

 & Eng Chem (1709 G st, N.W., Washing- 

 ton. D.C. 60c) 12:340-4, 457-64, 559-62 Ap- 

 Je '20; Abstract. Exp Sta Record 43:612-13, 

 713-14 N-D '20 ^ c. u 



Activity of soil acids. R. B. Stephenson, 

 bibliog Soil Sci 8:41-59 Jl '19; Abstract. Exp 

 .^ta Record 42:423-4 Ap '20 

 Aluminum as a factor in soil acidity. J. J. 

 Mirasol. bibliog il Soil Sci 10:153-217 S '20 

 of five typical acid soils as affected by lime, 

 Applv to vour soil the acidity yard-stick. E. 



Iriiog. Prog F 36:214 F 19 '21 

 Comparison of methods for determining soil 

 acidity and a study of the effects of green 

 manures on soil acidity. H. H. Hill. Va Ag 

 Exp Tech B 19:1-25 '19 

 Concerning the effect of heat on the reac- 

 tion between lime-water and acid soils. 

 Fi. H. Robinson, bibliog Soil Sci 9:151-7 F 

 '20 

 Convincing a sceptical father, il Hoard's D 



60:304 S 10 '20 

 Effect of dicalcium silicate on an acid soil. 

 B. L. Hartwell and F. R. Pember. Soil Sci 

 10:57-9 Jl '20 

 Effect of heat on the lime requirements of 

 soils. H. A. Noyes. Am Soc Agron J 11:70-1 

 F '19 

 Effect of organic matter on soil reaction. 

 R. E. Stephenson, bibliog Soil Sci 6:413-39; 

 12:145-62 D '18, Ag '21 

 Emploi de la chaux et des craies broy^es 

 pour corriger I'aciditg des sols. R. Berger. 

 Acad Ag France Compt Rend 6:934-9 D 22 

 '20 

 Facts about soils. Am P Advocate 27:292 



Ap '19 

 First aid to sick soils. H. W. Warner, il Suc- 

 cessful F 19:12 Je '20 

 Good farming makes acid soils. H. W. 

 Warner. Wallaces' F 45-2874 D 31 '20 



Inversion of cane sugar by soils and allied 

 substances and the nature of soil acidity. 

 F. E. Rice and S. Osugi. Int R Sci & Prac 

 Ag 10, no 2:148-9 F '19 



Lime requirements of soils. Penn State F 13: 

 340 Je '20 



Liming land for potato production. W. W. 

 Weir, il Potato M 2:14-15 F '20 



Natural carbonates of calcium and magnes- 

 ium in relation to the chemical composi- 

 tion, bacterial contents, and crop-produc- 

 ing power of two very acid soils. S. D. 

 Conner and H. A. Noyes. bibliog il J Ag 

 Research 18:119-26 N 1 '19; Abstract. Int R 

 Sci & Prac Ag 11, no 9:948-9 S '20 



Nature of soil acidity. J Ag (Quebec) 23:210 

 Ap '20 



Nature of soil acidity with regard to its 

 quantitative determination. W. H. Macln- 

 tire. bibliog Am Soc Agron J 13:137-61 Ap 

 •21 

 Need for lime as indicated by relative tox- 

 icity of acid soil conditions to different 

 crops. B. L. Hartwell. Am Soc Agron J 

 13:108-12 Mr '21 

 Need of Texas soils for lime. G. S. Fraps. Tex 



Ag Exp B 243:1-18 '19 

 New acid and alkaline scale especially for 

 soils. E. T. Wherry. Int R Sci & Prac Ag 

 ll,no 2:152-3 F '20 

 Nitrates, nitrification, and bacterial contents 

 of five typical acid soils as affected by lime, 

 fertilizer, crops, and moi-sture. H. A. Noyes 

 and S. U. Conner, bibliog il J Ag Research 

 16:27-42 Ja 13 '19; Abstract. Int R Sci & 

 Prac Ag 10, no 7:817-18 Jl '19 

 Notes on recent work concerning acid soils. 

 L. T. Sharp and D. R. Hoagland. bibliog 

 Soil Sci 7:197-200 Mr '19 

 Plant di'^^tribution around salt marshes in 

 relation to soil acidity. E. T. Wherry- Ecol 

 1:42-8 Ja 20 

 Plants of acid soils. G: D. Fuller. Bot Gaz 



71:244-5 Mr '21 

 Preliminarv note on soil acidity. O. B. 

 Winter. 'Science (Science Press, Garrison, 

 N.Y. 15c) n s 51:18-19 Ja 2 '20 

 Presence of aluminum as a reason for the 

 difference in the effect of so-called acid soil 

 on barlev and rye. B. L. Hartwell and F. R. 

 Pember. bibliog il Soil Sci 6:259-79 O '18; 

 Abstract. Int R Sci & Prac Ag 10,no 4:386-7 

 Ap n9 

 Prevalence of acid soils in New England, map 

 Ag Lime News B (Nat. lime assn., 918 G 

 st, N.W., Washington, D.C.) v 1:1 D '20 

 Qualitative test for sour soils. N. M. Com- 

 ber, bibliog J Ag Sci 10:420-4 O '20 

 Reaction of the soil as influenced by the de- 

 composition of green nianvires. L. P. How- 

 ard, bibliog Soil Sci 9:27-39 Ja '20 

 Relation of certain acidic to basic constitu- 

 ents of the soil affected by ammonium sul- 

 fate and nitrate of soda. L. P. Howard, 

 bibliog Soil Sci 8:313-21 O '19 

 Relation of sulfur to soil acidity and to the 

 control of potato seal). "W: H. Martin, bib- 

 liog Soil Sci 9:393-408 Je '20; Summary. Ag 

 Gaz of Canada 7:844 O '20 

 Relation of the calcium content of some Kan- 

 sas soils to the soil reaction as determined 

 by the electrometric titration. C. O. Swan- 

 son and others, bibliog J Ag Research 20: 

 855-68 Mr 1 '21 

 Relation of the lime requirements of soils to 

 their retention of ammonia. L. P. Howard. 

 Soil Sci 6:405-11 D '18 

 Report on the lime requirement of soils. F. P. 

 Veitch. Assn Offlc Ag Chem J 3:371-4 F '20 

 Soil acidity and a field method for its mea- 

 surement. E. T. Wherry. Ecol 1:160-73 Jl 

 •20 

 Soil acidity and bacterial activitv. R. E. 

 Stephenson, bibliog Soil Sci 12:133-44 Ag '21 

 Soil acidity as affected by moisture condi- 

 tions of the soil. S. D. Conner, bibliog J Ag 

 Research 15:321-9 N 11 '18 

 Soil acidity; its nature, cause and relation 

 to crops. E. Truog. J Soil Imp 3:113-14-f- 

 F '20 

 Soil acidity; its relation to the acidity of the 

 plant juice. E. Truog and M. R. Meach- 

 am. bibliog Soil Sci 7:469-74 Je "19; Ab- 

 stract. Exp Sta Record 42:424 Ap '20 

 Soil acidity: the resultant of chemical pheno- 

 mena. H. A. Noyes (J. Indus, and Eng. 

 Chem., ll.no 11:1040-9 •19). Exp Sta Record 

 42,no 3:216-17 '20 

 Soil fertilitv talks — sour soils. W. W. Weir. 



il Hoard's D 59:872 Ap 23 '20 

 Studies on soil reaction. E. A. Fisher, bibliog 



J Ag Sci 11:19-44 Ja '21 

 Studies on the reaction of plant juices. A. 

 R. C. Haas, bibliog il Soil Sci 9:341-69 My 

 '20 

 Testing soils for acidity. E. Troug. il Wis 

 Ag Exp B 312:1-24 '20 

 See also Lime 

 Soil actinomycetes. See Actinomycetes 



