191CJ 



INDEX OF SUBJECTS. 



983 



Soil — Continued. Page, 

 nitrogen as affected by crops 



and fertilizers 321 



nitrogen as affected by organic 



materials 218 



organisms as affected by carbon 



bisulphid, U.S.D.A 20 



organisms, rapid study of 220 



productivity, factors in 51.'? 



protozoa, studios 214 



solutions. Intake by plants, 



Nebr 825 



tank experiments, Fla 812 



temperature, studies, Mich 020 



water, changes in level of, Utah- 813 

 Soil survey in — 



Alabama, Walker Co., U.S.D.A. 624 

 Arkansas, Mississippi Co., U.S. 



D.A 17 



California, Merced area, U.S. 



D.A 117 



Georgia, Clay Co., U.S.D.A 421 



Georgia, Laurens Co., U.S.D.A. 811 



Georgia, Polk Co., U.S.D.A 508 



Georgia, Stewart Co 721 



Georgia, Troup Co 811 



Georgia, Turner Co., U.S.D.A__ 421 



Illinois, Winnebago Co., Ill 421 



Indiana, Elkhart Co., U.S.D.A. 319 



Indiana, Warren Co., U.S.D.A__ 117 



Iowa, Muscatine Co., U.S.D.A 117 



Iowa, Webster Co., U.S.D.A 422 



Kentucky, Jessamine Co., U.S. 



D.A 508 



Louisiana, Lafayette Parish, 



U.S.D.A 319 



Louisiana, Webster Parish, U.S. 



D.A 17 



Maryland, Montgomery Co., 



U.S.D.A 18 



Minnesota, Pennington Co., 



U.S.D.A 625 



Minnesota, Ramsey Co., U.S. 



D.A 320 



Mississippi, Jefferson Davis Co., 



U.S.D.A 422 



Missouri, Dekalb Co., U.5.D.A__ 811 



Missouri, Dunklin Co., U.S.D.A. 625 



Missouri, Johnson Co., U.S.D.A- 213 



Missouri, Pettis Co., U.S.D.A__ 422 



Nebraska, Gage Co., U.S.D.A__ 509 



Nebraska, Seward Co., U.S.D.A- 117 

 Nebraska, Thurston Co., U.S. 



D.A 118 



New York, Chautauqua Co., U.S. 



D.A 423 



New York, Clinton Co., U.S.D.A- 18 

 North Carolina, Lincoln Co., 



U.S.D.A 423 



North Carolina, Wake Co., U.S. 



D.A 509 



North Carolina, Wayne Co., 



U.S.D.A 811 



Ohio, Geauga Co., U.S.D.A 509 



Ohio, Trumbull Co., U.S.D.A___ 18 



Soli survey in — Conlluucd. Page. 

 Oklahoma, llogi-r Mills Co., 



U.S.D.A 025 



Pennsylvania, LancaHter Co., 



U.S.D.A __. 626 



South Carolina, Florence Co., 



U.S.D.A ii8 



Texas, Brazos Co.. U.S.D.A (i26 



Virginia, Frederick Co., U.S. 



D.A 510 



West Virginia, McDowell Co., 



U.S.D.A 118 



West Virginia, Rnleigh Co., 



U.S.D.A 18 



West Virginia, Wyoming Co., 



U.S.D.A 118 



Wisconsin, Fond du Lac Co 19 



Wisconsin, Juneau Co 19 



Wisconsin, Kewaunee Co 19 



Wisconsin, La Crosse Co 19 



Soils— 



absorption and coagulation In. 813 



acid, as affected by fertilizers. 22 



acid, nitrification In, Pa .M4 



adsorption of potassium and 



phosphate Ions by 17 



alkali, of Ohio, Ohio 510 



alkali, reclamation ,';i6 



arid, brown niter sfiots In 724 



arid, humus nitrogen problein-- 513 

 as affected by beech leaves and 



litter 119 



as affected by chlorlds 423 



as affected by climate 210 



as aflPected by continuous crop- 

 ping, U.S.D..\ 813 



as affected by fertilizers 216 



as affected by fertilizers, Pa 516 



as affected by heat 138, 722 



as affected by sterilization 515 



bog, reclamation 215 



calcareous, effect on plant 



growth, U.S.D.A 728 



caliche, composition, .\rlz 611 



cherry orchard, analyses 720 



classification 319, M12 



classification, Ohio 899 



clay, colloids of 319 



clay, in vicinity of Mexico City, 



Mexico 19 



composition as affected by rain- 

 fall. Pa 514 



courses at Iowa State College 319 



determination of fertilizer re- 

 quirements 215 



distribution of vertical pressure 



in 581 



extension course In, r.S.D..\ 194 



fertilizer requirements 121 



forest, review of literature 720 



forest, soluble salt content 512 



frozen, bacteria in 723 



humus, colloids of 319 



hygroscopic coeflScIent, determi- 

 nation, U.S.D.A 812 



judging 721 



