912 



AGRICULTURAL INDEX 



Proteins — Continued 



aiocknian diet primer; sources of protein. 



Nat Stock & F 42:1096 F 8 'ly 

 Studies on nitrogen poisoning. F. Maignon. 



Int R Sci & Prac Ag 9,no 11.1277-9 N '18 

 Study ot the incorporation of proteins in 



creamery butter. K. W. Wyant. bibliog J 



Dairy Sci 3:452-67 N '20 

 Varying values of proteins. W. L. Robinson. 



il Ohio F 147:478 Ap 2 '21 

 Your health; protein requirements of adult. 



Farmer's Advocate 55:778 Ap 22 '20 

 Your health; proteins as building stones. 



Farmer's Advocate 55:831 Ap 29 '20 

 Prothallia. See Gametophytes 

 Prothero, Rowland Edmund. See Ernie, 



Rowland Edmund Prothero, 1st baron 

 Protomarattia. See Ferns 

 Protoplasm 

 Acidity or alkalinity of plant protoplasm. Ag 



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



N.W., Washington, D.C.) v 2:1 Je '21 

 Composition of living things. W. N. Clute. 



Gard Chron Am 25:572 My '21 

 Observations on some physical properties of 



protoplasm by aid of inicrodissection. W: 



Seifriz. bibliog il Ann Bot 35:269-96 Ap '21 

 Structure of protoplasm. R. A. Harper. Am J 



Bot 6:273-300 Jl '19 

 Viscosity values of protoplasm as determined 



by microdissection. W: Seifriz. bibliog Bot 



Gaz 70:360-86 N '20 

 Protozoa. See Euglena; Soil protozoa 

 Provancher, Leon 



Few notes on the life of Abbe Provancher. 



V. A. Huard. (In Report, Quebec Soc. for 



the protection of plants, 1918, p. 19-22) *18 



Quebec Ag Dept 

 Proverbs 

 Maxims of an Arab horse owner. E. Dumas. 



Live Stock J 89:7 Ja 3 '19 



Providence (R.I.) farmers' exchange 



Best way out. E. H. Taylor, il Country Gent 

 S5:5-f Ap 17 '20 

 Providence (R.I.) market gardeners' associa- 

 tion 



Best way out. E. H. Taylor, il Country Gent 

 85:5-}- Ap 17 '20 

 Prudence of the parsonage; story. E. Hueston. 

 See semi-monthly numbers of Practical 

 farmer Dec. 1, 1918-Nov. 1, 1919 

 Prune twig borers 



Peach and prune twig borer. C. Wakeland. 

 Better Fruit 15:8 Ap '21 

 Prunes 



Alternate bearing in sugar prunes. A. H. 

 Hendrickson. il Cal Ag Dept B v 9:200-1 

 My '20 



Big achievement in prune improvement. 

 Pacific Rural Press 100:303 S 4 '20 



California prune, its production and market 

 requirements. F. M. Coleman. Cal Ag Dept > 

 B V 8:535-6 S '19 



Consider the prunes. Ohio F 143:896 Je 7 

 '19 



Cming prunes. Cal Cultivator 55:190 Ag 14 

 '20 



Everybody can eat prunes. Pacific Rural Press 

 101:549 Ap 9 '21 



Harvesting and preparing prunes for evap- 

 oration. C. I. Lewis and others, il Better 

 Fruit 14:3-6 Ag '19 



Home of the Oregon prune. Mrs P. M. Tall- 

 man. Am Fruit Grower 39:30 F '19 



Intensive prune cultivation under way in 

 France. Sci Am Sup (233 Broadway, N.Y. 

 10c) 87:39 Ja 18 '19 



Irrigation of prune orchards. L. H. Dav. Ca! 

 Cultivator 55:634 N 13 '20 



Lessons for prune growers from the Septem- 

 ber rains. W. V. Cruess. il plans Cal State 

 Comm Hort B v 8:52-60 F '19 

 New wrinkle in primes. E. Braunton. il Cal 

 Cultivator 55:282 S 4 '20 



Northwest prune problems. C. I. Lewis, il 



Am Fruit Grower 41:6 Jl '21 

 Observations on the evaporation of prunes. 



C. I. Lewis and others, il Better Fruit 15: 



5+ S '20 



Origin of a new and improved French prune 

 variety. A. D. Shamel. il J Heredity 10: 

 o38-43 N '19 



Planting and care of prune orchard up to 

 bearmg age. G: Zimmerman, il Better Fruit 

 l-l:.J4- My '20 



Pi'oductive mortality of prunes. E. Pearcy. 

 il Better Fruit 13:9-10 Mr '19 



Prune cultivation in France. Sci Am Sup (233 

 Broadway, N.Y. 10c) 87:21 Ja 11 '19 



Prune growing in California. A. H. Hen- 

 drick.son. il Cal Ag Exp B 328:1-38 '21 



Prune growing in western Washington. O. M. 

 Morris, il Wash Ag Exp Pop B 120:1-21 '20 



Prune situation. F. R. Kerman. J Ag Cal 

 7:9 My '21 



Prune-tree culture in the great Pacific North- 

 west. E. D. Seaton. il Better Fruit 13:7-8 

 Mr '19 



Prunes in California, il map Cal State Comm 

 Hort B V 8:182-5 Ap '19 



Piunes in the southern San Joaquin. D. J. 

 Whitney. Pacific Rural Press 99:386 Mr 6 

 •20 



Rain-damaged prune should worry. W. S. 

 Killingsworth. Pacific Rural Press 99: (sec 

 2) 300 P 21 '20 



Raising prunes in Oregon. Mrs C. W. Shu- 

 maker, il Ohio F 145:886 My 22 '20 



Regeneration of the prune — a prediction ful- 

 filled. H. S. Gile. 11 Better Fruit 14:9+ Ag 

 '19 



Setting, pruning and cultivating the prune 

 tree. Better Fruit 14:12 Mr '20 



Story of the prune; how California growers 

 handle their crops. G. Orb. il Sci Am (233 

 Broadway, N.Y. 15c) 124:52 Ja 15 '21 



Three prunes for breakfast; that's the out- 

 look if speculators get hold of this year's 

 shoit crop. G: F: Stratton. il Country 

 Gent 85:8 O 2 '20 



Diseases and pests 

 Piuiie diseases. H. P. Barss. il Cal Cultivator 



r>6:57S Ap 30 '21 

 Some prune fruit troubles of non-parasitic 



nature. H. P. Barss. Better Fruit 13:7-8 + 



Ja '19 

 See •also Pear thrips; Prune twig borers 

 Drying 

 Evaporator and rain-damaged prunes. A. W. 



Hudson. Cal Ag Dept B v 9sup:118-19 Mr 



•20 

 Evaporators for prune drying. W^. V. Cruess. 



ii plans Cal Ag Exp C 213:1-30 '19 

 Methods of prune drying in Oregon. R. Pow- 

 ers, il Better P>uit 16:7-8 Ag '21 



Marketing 



How the business of the prune and apricot 



growers is handled. Fig & Olive J 5:13-14 



D '20 

 Marketing California's prune crop — 6ome 



problem. W. S. Killingsworth. Pacific 



Rural Press 100:303 S 4 '20 

 Pioblems in marketing Northwest prunes. 



Better Fruit 14:15 Ap '20 



See also California prune and apricot 



growers 



Pollination 

 Results of studies in prune pollination. Bet- 

 ter Fruit 15:15-16 Ja '21 



Statistics 

 Production of pears and plums and prunes 

 in the United States, and number of trees. 

 Ip '21 U.S. Bur. of the census, Washing- 

 ton, D.C. 



Varieties 

 Herald— new type of prune. L. R. Detjen. il 



J Heredity 11:253-8 Jl '20 

 New fruits from bud sports. J. L. Colhns. 



il Am Fruit Grower 41:8 F '21 

 New prune of much promise. Am Fruit 



Grower 41:10 O '21 



Prunint, . ^ .i ^ 



About pruning- the grape vines. A. Rutledge. 



Gard M 33:52 Mr '21 

 Balancing young trees. W. J. Welday. il Nat 



Stock & F 44:20 Ap 3 '20 



