442 



AGRICULTURAL LNDEX 



Fiddler-crabs 

 On intersexes in fiddler-crabs. M. J. Rathbun. 



Am Nat 55:80-2 Ja "21 

 "Variation in juvenile fiddler crabs. T. H. 



Morgan. Am Nat 55:82 Ja '21 

 Variations in the secondary sexual characters 



of the fiddler-crab. T. H. Morgan, bibliog il 



Am Nat 54:220-46 My '20 

 Field crops 



Cultural directions for field crops and vege- 

 tables. P. J. Wester, il Philippine Ag R 13, 



no 2:80-8 '20; Excerpt. Tropical Ag 56:118-20 



F '21 

 Effect of alfalfa on the subsequent yields of 



irrigated field crops. C. S. Scofleld. U S 



Ag B 881:1-13 '20 

 Farm practice in growing field crops in three 



.sugar-beet districts of Colorado. S: B. Nuc- 



kols and T: H. Summers, il map U S Ag 



B 917:1-52 '21 

 Field crop and legume information. Prog F 



36:19 Ja 1 '21 

 Field crop facts. Prog F 35:410 F 21 '20 

 Field crop notes. A. E. Grantham. Prac F 115: 



248 Jl 15 '19 

 Field crops show much adjustment. R. E. 



Hodges. Pacific Rural Press 99:714 My 1 '20 

 Influence of windbreaks on field crops. N. M. 



Ross. (In Conservation of soil fertility, p. 



83-7) '20 Canada Comm. of conservation, 



Ottawa 

 Less production but more profit in field crops. 



R. E. Hodges. Pacific Rural Press 102:175 



Ag 20 '21 

 Official field crop inspection. H. L. Bolley. 



Am Soc Agron J 11:196-205 My '19; Same. 



Assn Offic Seed Analysts Pro 1919:22-31; 



Same cond. Dakota F 39:324 F 15 '19 

 Report of the Department of agronomy and 



farm management. N J Ag Exp Rep 1917: 



313-15 '18 



See also Alfalfa; Barley: Clover: Corn; 



Hay: Oats; Rye: Timothy; Wheat 



Costs 

 Cost of producing Minnesota field crops, 

 1913-1917. F. W. Peck, map Minn Ag Exp 

 B 179:1-42 '18 



Statistics 



Field crops of Canada. J Ag (Quebec) 24: 

 33 Ag '20 

 Field experiments 



Cooperative fertilizer experiments with cot- 

 ton, corn, sweet potatoes and Irish pota- 

 toes, 1908-1917. G. S. Fraps. Tex Ag Exp B 

 235:1-125 '18 



Cultural experiments with various plants 

 made from 1910 to 1914 at substation no 

 1, Beeville, Texas, U.S.A. E. E. Binford. 

 Int R Sci & Prac Ag 10, no 4:377-9 Ap '19 



Decline in yield of untreated check plots. 

 Ohio F 144:767 D 20 '19 



Demonstration plots. Gard Chron (Lond) 68: 

 218 O 30 '20 



Effect of place on yield of crops. F. J. Chit- 

 tenden. Royal Hort Soc J 44:72-4 My '19 



Experience in crop production. T\'. H. Jordan 

 and G. W. Churchill. N Y State Ag Exp 

 B 465:1-20 '19; Summary. Ag Gaz of Can- 

 ada 7:705 Ag '20 



Experiment field results for 1920. H. J. Snider. 

 O Judd Farmer 69:480 Ap 23 '21 



Experimental error in field trials. Ag News 

 19:293 S 18 '20 



Experimental error in field trials. T. A. Kies- 

 selbach. Am Soc Agron J 11:235-41 S '19 



Experimental error in field trials. H. H. 

 Love. Am Soc Agron J 11:212-16 My '19 



Experimental work in dry-farming, il Ariz 

 Ag Exp B 84:540-642 '18 



Experimental work in western district; re- 

 sults for season 1920. H. A. Mullett. J Dept 

 Ag Victoria 19:479-83 Ag '21 



Experiments at substation no. 3, Angleton, 

 Texas, 1909-1916. N. E. Winters, il Tex Ag 

 Exp B 229:1-38 '18 



Farm crops: results of experiments at the 

 Ontario agricultural college. C. A. Zavitz. 

 il Ontario Ag Dept B 268:1-80 '19 



Farm experiment station. L. F. Allen. 

 Cornell Countryman 17:456 My '20 



Farmers' experiment plots; maize experi- 



ments, 1919-20. J. M. Pitt. Ag Gaz of New 

 South Wales 32:25-7 Ja '21 



Farmers' field day at Longerenong agricultur- 

 al college. J Dept Ag Victoria 17:750-4 D '19 



Fertilizer experiments on DeKalb soil yields 

 of clover, corn and Kentucky blue grass. 

 J. W. White. Pa Ag Exp B 155:1-20 '19 



Fertilizer trials — Wentzville experiment field. 

 M. F. Miller and F. L. Duley. il Mo Ag Exp 

 B 157:1-23 '18 



Field experiments in spiaying for control of 

 San Jose scale. 1919. W. S. Brock and W. 

 P. Flint. Ill Ag Exp C 239:1-4 '19 



Field experiments, 1918. J Dept Ag Ireland 

 19, no 2:180-208 '19 



Field experiments, 1920. J Dept Ag Ireland 

 21, no 1:53-68 '21 



Field experiments which included the soy 

 bean. B. L. Hartwell. R I Ag Exp B 183: 

 1-15 '20 



Field husbandry experiments in relation to 

 farming. M. Champlin. Ag Gaz of Canada 8: 

 640-1 N '21 



Field technic in determining yields of experi- 

 mental plots by the square yard method. 

 A. C. Arny and F. H. Steinmetz. bibliog 

 map Am Soc Agron J 11:81-106 Mr "19 



Field technic in determining yields of plots 

 of grain by the rod-row method. A. C. 

 Arny and R. J. Garber. bibliog Am Soc 

 Agron J 11:33-47 Ja '19 



Further experiments in field technic in plot 

 tests. A. C. Arny. bibliog il J Ag Research 

 21:483-500 Jl 1 '21 



General report. North central experiment sta- 

 tion. Grand Rapids, 1915-1919; field crops in- 

 vestigations. O. I. Bergh. il Minn Ag Exp 

 Rep (Grand Rapids) 1919:14-33; Abstract. 

 Exp Sta Record 43, no 9:822-4 '21 



Influence of crop plants on those which fol- 

 low. B. L. Hartwell and S. C. Damon, il 

 R I Ag Exp B 175:1-30 '18 



Influence of crop plants on those which fol- 

 low. B. L. Hartwell and others. Ag Gaz of 

 Canada 7:180-1 F '20 



Investigations into the possibility of calculat- 

 ing the experimental error in field experi- 

 ments. M. Gorski and M. Stefaniof. Int R 

 Sci & Prac Ag 9, no 9:1027-8 S '18 



Methods in entomological field experimenta- 

 tion. W. P. Flint and others, il J Econ 

 Entom 12:178-83 Ap '19 



New method for determining yields of experi- 

 ment plots. H. Wenholz. Ag Gaz of New 

 South Wales 32:499-502 Jl '21 



1920 wheat, oats, and corn yields from soil 

 experiment fields in Illinois. Ill Ag Exp C 

 246:1-4 '21 



Northern gum lands; operations at the 

 Puwera experimental area. T. H. Patterson 

 and W: Dibble, il plan J Ag New Zealand 

 22:257-71 My '21 



Oxidizing power of soil from limed and un- 

 limed plots and its relation to other fac- 

 tors. J. R. Neller. bibhog il Soil Sci 10: 

 29-39 Jl '20 



Permanence of differences in the plots of an 

 experimental field. J. A. Harris, bibliog J 

 Ag Research 20:335-56 D 1 '20 



Plat competition as a source of error in crop 

 tests. T. A. Kiesselbach. Am Soc Agron J 

 11:242-7 S '19 



Plot experiments at the botanic and experi- 

 ment station. (In Rep., Antigua ag. dept., 

 1916-1917, p. 5-13) 6d '18 West Indies Im- 

 perial dept. of ag., Barbados 



Practical luiiversality of field heterogeneity 

 as a factor influencing plot yields. J. A. 

 Harris. bibliog J Ag Research 19:279-314 

 Jl 1 '20 



Relation of size, shape, and number of replica- 

 tions of plats to probable error in field ex- 

 perimentation. J. W. Day. Am Soc Agron J 

 12:100-5 Mr '20 



Relative resistance of various crops to alkali. 

 F. S. Harris and D. W. Pittman. Utah Ag 

 Exp B 168:1-23 '19: Excerpts. Cal Cultivator 

 54:136 Ja 24 '20; Abstracts. Int R Sci & Prac 

 Ag 11, no 3:308-10 Mr '20; Ag Gaz of Canada 

 8:579-80 S '21 



Report of manurial trials carried out on the 

 Apethorpe estate during 1917-18. C. Wrey 

 and G. W. Olive. J Bd Ag 26:441-7 Jl "19 



