860 



AGRICULTURAL INDEX 



Porto Rico insular experiment station — Cont. 

 Annual report for the period from July 1, 



1917 to June SO, 1918. Porto Rico Insular 



Exp Rep 1918:1-144 '19 

 Portraits 



Portraits of early Americans show inter- 

 mediate type in the evolution of the Nor- 

 dic face. F: A. Woods. J Heredity 10:212- 



22 My '19 

 Portugal 



Laws and regulations 

 Legislation visant les organisations publi- 



ques centrales. Int Yearbooli Ag J-eg 1917: 



746-8 '18 

 Post drill press. See Drilling and boring ma- 



chinei-y 

 Postal rates 

 Better postage rate on books. A. L. Spencer. 



liural N Y 79:l"Jl Ja 31 20 

 Dangers of the postal zone law. A. Capper. 



Am Thresherman 22:34 O '19 

 Drastic increase in postal rates proposed. 



Farmer's Advocate 5.5:965 My ''20 '20 

 Vicious postal zone law. A. Capper. Am 



Thresherman 22:30 Ja '20 

 We need a homogeneous jieople. F. W. ]\Ion- 



dell. Am Thresherman 22:20 N '19 

 Postal savings banks 

 Loi creant la Caisse nationale d'epargne 



postale en Uruguay. Int Yearbook Ag Leg 



1919:755-7 '20 

 Postal service 



See also Motor trucks in postal service; 



Parcel post; Rural free delivery 

 Postmen 

 Rural carrier. W. L. Leffler. Nat Stock & 



F 43:1329 Ja 31 '20 

 Posts 

 Permanent post .setting. R. H. Smith. Coun- 

 try Gent 86:24 Mr 12 '21 

 Woods for posts and stakes. J. T. Bartlett. 



Sci Am (233 Broadway, N.Y. 10c) 122:500 



My 1 '20 



See also Fence posts 

 Posts, Concrete 

 Concrete cornei- and end posts. Wallaces" F 



44:2336 N 21 '19 v 



Forms for posts that stay put. S. R. Hall. 



Country Gent 84:26 Ap 26 '19 

 Potash 

 Action of lime on greensand. R. N. Shreve. 



Am Pert 55:29-32 N 19 '21 

 Agricultural conditions in Europe; the de- 

 posits of Alsatian potash. J. G. Lipman. 



Rural N Y 78:1187 Ag 9 '19 

 L'Allemagne et le monopole de la potasse. 



F. Maurette. Revue de Paris (85 Faubourg 



Saint-Honore, Paris 62fr) 26,pt 1:882-94 F 



15 '19 

 Alsatian potash deposits. 11 Am Fert 54:56-7 



Mr 26 '21 

 Alsatian potash from a French vie^^^^oint. 



Am Fert 50:60 F 15 '19 

 Alsatian potash industry. C: Bonnefon. Eng 



& Mining J (10th av at 36th st, N.Y. 20c) 



107:989-90 Je 7 *19 

 Alsatian potash industry. F. K. Cameron. 



(Minerals Investigations) 9p typew '19 U.S. 



Bur. of mines, Washington, D.C.; Same. 



Am Fert 51:49-54 Ag 16 '19 

 Alsatian potash mines, map Am Fert 55:36-7 



S 24 '21 

 Alsatian potash mines. W. C. Huntington. 



Am Fert 54:64-5 Ja 1 '21 

 Alsatian potash mines and works. Am Fert 



50:37 Ja 4; 35-7 Ja 18 '19 

 Alsatian potash production in 1920. Am Fert 



54:94 Je 4 '21 

 Alsatian salts of potash. J. Beauverie and 



others. Int R Sci & Prac Ag 10,no 7:832-4 



JI '19 

 American potash. Am Fert 51:39-46 Jl 19 '19 

 American potash in crop production. E. O. 



Fippin. Cornell Countryman 16:121-2-1- Ap 



'19 

 American potash in 1918. AV. B. Hicks. (In 



Am. fertilizer hdbk., 1919. p. 109) $1.50 



'19 Ware bros. co., 1010 Arch st, Phila- 

 delphia; Same. Am Fert 50:33 Mr 1 '19 



American potash industry. H. S. Gale. Am 



Fert 50:38-9 F 15 '19 

 American potash industry and its problems. 



J: E. Teeple. Am Fert 54:90-}- Ap 9 '21 

 American potash supply. London Times 



Trade Sup 6:454 Jl 10 '20; Same. Ag News 



19:307 O 2 '20 

 Are we dependent on German potasn? C. W. 



Stoddart. Penn State F 12:145-1- Je '19 

 Borax in potash. Am Fert 52:69-70 Ap 24 '20 

 British potash industry. Am Fert 51:1164- 



Ag 2 '19 

 Case of American potash. J. G. Lipman. 



Rural N Y 78:559 Mr 29 '19 

 Collapse of kelp potash. Am Fert 50:60 Mr 



15 '19 

 Colorado potash company. J. G. Hibbs. 



Chemical & Metallurgical Eng (10th av at 



36th St. N.Y. 25c) 21:222 S 1 '19 

 Condition of fertiliser potash residues in silty 



loam soil in Pennsylvania. W. Frear and 



E. S. Brb. Int R Sci & Prac Ag 10.no 5: 



535 My '19 

 Crop injury by borax in fertilizers. O. Schrein- 



er and others, il U S Ag Dept C 84:1-35 '20; 



Excerpts. Am Fert 52:60-5 Ap 10 '20; Ab- 

 stracts. Ag News 19:183 Je 12 '20; Ag Gaz 



of Canada 7:839-40 O '20 

 Does American potash need a fixed price? 



Chemical & Metallurgical Eng (10th av at 



36th st, N.Y. 25c) 21:220-1 S 1 '19 

 Economic mendicants; the potash producers. 



Pubhc 22:648-9 Je 21 '19 

 Effect of potassium salts on the anatomy of 



dactylis glomerata. O. N. Purvis, bibliog 



J Ag Sci 9:338-65 O '19 

 Embargo on pota.sh. il S C Ag Dept Year- 

 book 1919:202-16 '20 

 End of the German potash monopoly. Am 



Fert 50:84+ Ja 4 '19 

 Les engrais potassiques d' Alsace. H: Sagnier. 



J Ag Pratique 34:39 Jl 8 '20 

 Essais sur les sels de potasse. U. Negre. J Ag 



Pratique 35:37-8 Ja 13 "21 

 Expert view of German potash. J. W. Tur- 



rentine. Am Fert 52:72 Ap 24 '20 

 La fabricaci6n de sales de potasa como prod- 



uctos incidentales en las destilerias de los 



ingenios. M. Bird. El Mundo Azucarero 



8:303 My '21 

 First American potash from a blast furnace. 



il Am Fert 51:64 S 13 '19 

 Foreign potash situation. H. S. Gale. Eng & 



Mining J (10th av at 36th st, N.Y. 20c) 108: 



236-7 Ag 9 '19 

 French nationalization of the Alsatian 



pota.sh mines. Am Fert 53:132 S 25 '20 

 French potash industry. Am Fert 54:103 Je 4 



'21 

 French potash resources. Field II 31:31 Ja 



•21 

 French potash-salts. F. B. Guthrie. Ag Gaz 



of New South Wales 31:91-3 F '20 

 Further experience in potash recovery. J: 



Treanor. Concrete (Telegraph bldg., De- 

 troit, Mich. 20c) 14:sup 30-1 Mr '19 

 Future of German potash. London Times 



Trade Sup 8:46 Ap 2 '21 

 Future of the potash industry. J. W. Turren- 



tine. Chemical & Metallurgical Eng (10th 



av at 36th st, N.Y. 25c) 20:310-11 Ap 1 '19 

 Future prospects in Alsace-Lorraine. P. A. 



Helmer. Am Fert 52:1244- Ja 3 '20 

 German potash deposits. H. H. Taft. Eng & 



Mining J (10th av at 36th st, N.Y. 20c) 107: 



473 Mr 15 '19 

 German potash from a German viewpoint. Am 



Fert 54:132 Ja 15 '21 

 German potash industry. Am Fert 52:1014- Mr 



27 '20 

 German potash industry. H: F. Grady. Am 



Fert 53:1204- Jl 31 '20 

 German potash industry during the war. P. 



L. Edwards. (Commerce Reports no. 213) p 



1331-3 (S 11) '19 U.S. Bur. of foreis^Ti and 



domestic commerce, Washington, D.C. 

 German potash mines under new control. 



Am P'ert 51:57 S 13 '19 

 German potash production and prices. Am 



Fert 52:67-8 F 28 '20 

 German potash schemes. Am Fert 54:54 My 



21 '21 



