706 



AGRICULTURAL INDEX 



Phosphates —Continued 



Experiments with phosphate fertilizers in 

 Minnesota. F. J. Alway. Minn Ag- Ext 

 Spec B 23:1-8 "18 • 



Factors affecting the efficiency of phosphates 

 difficultly soluble. Int R Sci & Prac Ag 

 7,no 1:48-50 Ja '16 

 Fertilizer research work. Country Gent 81: 



1155 Je 3 '16 

 Fertiliser trials with tetraphosphate in Pied- 

 mont rice fields, Italy. Int R Sci & Prac 

 Ag 8, no 2:230-2 F '17 , ^ . ^.^ 



Fertilizers and microbes of the soil. Scientific 

 Am (233 Broadway, N.Y. 10c) 116:129 F 3 '17 

 Florida phosphate rock shipments. Am Fert 



46:36-7 Ja 20 '17 „, ,_ 



Florida phosphates. Am Fert 44:63 Je 24 16 

 Garrison and Philipsburg phosphate fields, 

 Montana. J. T. Pardee, map Am Fert 46: 

 34-7+ My 26 '17 . , ^ t ^■ 



German phosphate substitutes. Ag J of India 

 13:731-4 O '18 ^ ^, • t. 



Ground phosphate rock. F. E. Bear. Ohio F 



142:210 S 7 '18 _ _ ^ 



Ground rock phosphate. J. F. Duggar. Prog 



F 31:303 ?• 26 '16 .^ ^ 



Ground rock phosphate or floats: acid phos- 

 phate pavs better. Prog F 33:207 F 16 '18 

 Half and half phosphate. F. E. Bear. Ohio F 



141:486 Ap 6 '18 

 How phosphate has paid on wheat. O Judd 



Farmer 63:1 Ag 11 '17 

 How raw rock phosphate becomes available. 



Wallaces' P 41:945 Jl 7 '16 

 How to store rock phosphate and limestone. 



plan Am Coop J 11:962 My '16 

 Illinois phosphate experiments. C. G. Hop- 

 kins. Breeder's Gaz 73:158 Ja 24 '18 

 Importance of phosphatic fertilizers. J Ag 



(Quebec) 19:xi My '16 

 Indiana soils need phosphates. A. T. "Wiancko 

 and S. C. Jones, il Ind Ag Exp C 79:1-7 '18; 

 Summary. Hoard's D 55:1031 Jl 12 '18; Ab- 

 stract. Rural N Y 77:642 My 4 '18 

 Influence of phosphates on the feeding of 

 cattle. M. Piccinini. Int R Sci & Prac Ag 7, 

 no 10:1470-1 O '16 

 Interpretation of the results of field experi- 

 ments with different phosphates. C. A. 

 Mooers. Science (Science Press, Garrison, 

 N.Y. 15c) ns 46:210-12 Ag 31 '17 

 Investigations into the utilisation of phos- 

 phorites in Russia. D. N. Prianichnikov. 

 Int R Sci & Prac Ag 7, no 6:804-7 Je '16 

 Lipman process of making superphosphate; 

 what the .sulphur does to compost. J. G. 

 Lipman. Rural N Y 76:1343 N 24 '17 

 Making basic phosphate fertilizer as by-prod- 

 uct in iron smelting. H. C. Estep. Am Fert 

 45:42-3 Ag 5 '16 

 Manufacture of acid phosphate. W: H. Wagga- 



man. U S Ag B 144:1-28 '14 

 Manure and phosphate. C: E. Thorne. Nat 



Stock & P 41:1062 Ja 26 '18 

 Maximum prices for sviperphosphate order. J 



Bd Ag 24:686-9 S '17 

 Mixing acid phosphate and ground limestone 



unsafe. Prog F 31:362 Mr 11 '16 

 Mixing cottonseed meal and acid phosphate. 



Prog F 31:355 Mr 11 '16 

 Modern methods pay. il O Judd Farmer 63: 



3 S 29 '17 

 New fertilizer from Italy; tetraphosphate. Sci 

 Am (233 Broadway, N. Y. 10c) 119:337 O 26 

 '18 

 Notes on the nature of the phosphates con- 

 tained in mineral phosphates. G. S. Robert- 

 son. J Ag Sci 8:16-25 S '16 

 Oxidation of sulfur by microorganisms in its 

 relation to the availability of phosphates. 

 H. C. McLean, bibliog Soil Sci 5:251-90 Ap 

 •18 

 Oxidation of sulfur In soils as a means of in- 

 creasing the availability of mineral phos- 

 phates. J. G. Lipman and others. Soil Sci 

 1:533-9 Je '16 



Phosphate depletion of soils of Bihar and its 

 contingent risks of malnutrition and en- 

 demic disease: a warning. W: A. Davis. Ag 

 J of India 12:181-4 Ap '17 

 Phosphate depletion of the soils of Bihar: its 

 effect on the quality and yield of crops 

 and the contingent risks of malnutrition 

 and endemic disease in cattle and man. 

 W: A. Davis. Ag J of India Sci Congress 

 No 1917:77-89 

 Phosphate deposits in Tasmania. W. H. 

 Twelvetrees. (Geological survey. Mineral re- 

 sources no. 'S) 7p map '17 Gov. ptr., Hobart, 

 Tasmania 

 Phosphate deposits reveal history of past. Am 



Fert 45:27 Jl 8 '16 

 Phosphate experiments. C. G. Hopkins. Science 

 (Science Press, Garrison, N.Y. 15c) n s 45: 

 213-14 Mr 2 '17 

 Phosphate fertilizers. C: E. Thorne. Hoard's 



D 53:372 Mr 23 '17 

 Phosphate fertilizers for Hawaiian soils, and 

 their availability. W: T. McGeorge. 11 Ha- 

 waii Ag Exp B 41:1-45 '16 

 Phosphate in Canada. Am Fert 49:64 S 28 '18 

 Phosphate industry of Florida during 1917. 

 E. H. Sellards. (In Am. fertilizer hdbk., 

 1918, p. C9-C11) $1.50 '18 Ware bros. co., 

 1010 Arch St, Philadelphia 

 Phosphate on corn. G. M. Twitchell. Rural 



N Y 76:891 Jl 21 '17 

 Phosphate production and resources of the 

 world. P. G. Morgan. J Ag New Zealand 16: 

 76-82 F '18 

 Phosphate rock. R. W. Stone. (In Am ferti- 

 lizer hdbk., 1917, p. C13-C14) $1 '17 Ware 

 bros. CO., 1010 Arch st., Philadelphia 

 Phosphate rock and methods proposed for its 

 utilization as a fertilizer. W^: H. Wagga- 

 man and W: H. Fry. U S Ag B 312:1-37 '15 

 Phosphate rock in 1915. W. C. Phalen. map 



Am Fert 45:21-7 O 28 '16 

 Phospliate rock in 1916. R. W. Stone. Am 

 Fert 47:21-9 S 1 '17; Same. (In Am ferti- 

 lizer hdbk., 1918, p. Cc-C9) $1.50 '18 Ware 

 bros. CO., 1010 Arch st, Philadelphia 

 Phosphate rock in 1917. R. W. Stone. Am Fert 



49:68+ Jl 20 '18 

 Phosphate rock industry in 1917. Am Fert 48: 



52 My 25 '18 

 Phosphate rock our greatest fertilizer asset. 

 W: H. Waggaman. U S Ag Yearbook 1917: 

 177-83 

 Phosphates and honesty; experiments in sev- 

 eral states. C. G. Hopkins. Ill Ag Exp C 

 186:9-31 '16 

 Phosphates and lime; some farmers' expe- 

 rience. B. C. Aston. J As New Zealand 12: 

 217-19 Mr '16 

 Phosphates: their origin and use. Rural N Y 

 75:116, 151, 194, 232, 281, 327, 434, 618, 686 

 Ja 22-F 26, Mr 11, Ap 15, 29 '16 

 Phosphatic fertilizers. Hoard's D 56:449 O 25 



'18 

 Phosphorus carriers in commercial fertilizers; 

 acid phosphate proves most effective plant 

 food. C. E. Thorne. il Ohio Ag Exp B v 3: 

 79-81 Mr '18 

 Pot experiments to determine primarily the 

 availability of phosphoric acid in Thomas 

 slag phosphates in comparison with other 

 phosphates. W. B. Ellett and A. A. Ingham, 

 il A^a Ag Exp Tech B 16:118-36 '17; Same. 

 Va Ag Exp Rep 1915-1916:118-36 '17 

 Prices of superphosphate. Gard Chron 



(Lond> 02:151 O 13 '17 

 Prices of superphosphate. J Dept Ag Ireland 



lS,no 1:88-9 '18 

 Production and sale of phosphates. (In Re- 

 port on the fertilizer industry, p. 86-103) '16 

 U. S. Federal trade comm., Washington, 

 D. C. 

 Production of available phosphorus from rock 

 phosphate by composting with sulfur and 

 manure. P. E. Brown and H. W. Warner, 

 bibliog Soil Sci 4:269-82 O '17 

 Production of phosphate rock. Am Fert 46:27 



My 12 '17 

 Production of phosphate rock in 1915. Am 

 Fert 44:36 My 27 '16 



