AGRICULTURAL INDEX 



847 



Plants — Diseases and pests — Bibliography — 

 C 0)1 tin lied 

 Check list of the publications of the Depart- 

 ment of agriculture on the subject of plant 

 pathology, 1837-1918. (Bibliog. contribu- 

 tions no. 1) 3Sp mini '19 U.S. Dept. of ag. 

 library, Washington. D.C. 

 Literature on plant diseases. See monthly 

 numbers of l"'hytopathology 



Dissemination 



Bees aj-e not guilty. J: H. Lovell. Glean- 

 ings 47:78-9 F '19 



Bees not proved guilt^'. J. Troop. Gleanings 

 47:15-16 Ja '19 



Insects as agents in the dissemination of 

 plant disease. L.. Caesar. (In Rep.. Entom. 

 Soc. of Ontario, 1918, p. 60-6) bibliog '19 

 Ontario Ag Dept 



Spinach bligiit and its transmission by in- 

 sects. L. B. Smith, (/n Report, 1917, p. 40- 

 58) il '18 Va. State entomologist and plant 

 pathologist, Richmond 

 See also Fungi — Dissemination of spores 

 Laics and regulations 



Amendments to destructive insect and pest 

 act regulations. Ag Gaz of Canada 6:523 

 Je '19 



Maladies des plantes, herbes et animaux 

 nuisibles S, I'agriculture. Int Yearbook As 

 Leg 1917:795-825 '18 



Maladies des plantes; v6g§taux et animaux 

 nuisibles 3, I'agriculture. Int Yearbook Ag 

 Leg 1919:591-610 '20 



Nomenclature 

 Some recent changes in the names of plant- 

 diseases. G. H. Cunningham. J Ag New 

 Zealand 23:163-6 S '21 (to be cont) 



Ecology 

 See Botany— Ecology 



Fertilization 

 See Fertilization of plants 



Geographical distribution 

 iS'ee Plants, Geographical distribution of 



Growth 

 See Growth (plants) 



Hydration 

 Water deficit and the action of vitamines, 

 amino-compounds, and salts on hydration. 

 D. T. MacDougal. Am J Bot 8:296-302 Je 

 '21 



Irritability and movements 

 See Plants, Irritability and movements 



Mineral content 

 On the diffusion of aluminium-ions in the 

 plant world. J Stocklasa and others. Int 

 R Sci & Prac Ag 9,no 12:1415-16 D 'IS 



Morphology 

 See Botany — Morphology 



Nitrogen content 

 Relation between the calcium and the nitro- 

 gen content of plants and the function of 

 calcium. F. W. Parker and E. Truog. bibliog 

 Soil Sci 10:49-56 Jl '20 



Nomenclature 

 See Botany — Nomenclature; Plant names. 

 Popular 



Nutrition 



Absorption of nutrients and allied phenom- 

 ena in the pitchers of the sarraceniacese. 

 .1. S: Hepburn and others, bibliog il J 

 Franklin Inst (Philadelphia 50c) 189:147-84 

 F '20 



Aerial fertilization of plants with carbon di- 

 oxid. yi. B. Cummings and C. H. Jones, il 

 Vt Ag Exp B 211:1-56 '18; Abstracts. Exp 

 Sta Record 41, no 9:833-4 '20; Ag Gaz of 

 Canada 7:446-7 My '20 



Ash absorption by spinach from concentrated 

 soil solutions. R. H. True and others. J Ag 

 Research 16:15-25 Ja 6 '19 



Carljonic acid gas to fertilize the air. A. 

 Gradenwitz. il Sci Am (233 Broadway, N.Y. 

 15c) 123:54;) N 27 '20 



Comparative study of salt requirements in 

 solution cultures for the growth of buck- 

 wheat to the flowering stage and to ma- 

 turity. W: H. Martin. N J Ag Exp Rep 

 1917:419-22 '18 



Comparison of salt requirements for young 

 and for mature buckwheat plants grown in 

 sand cultures. J: W. Shive. N J Ag Exp 

 Rep 1917:409-13 '18 



Do seedlings reduce nitrates? J. Davidson. Int 

 R Sci & Prac Ag lO.no 4:398 Ap '19 



How plants take plant food. A. Vivian. Am 

 Pert 52.116-1- Je 19 '20 



How young plants defend themselves against 

 starvation. H: Coupin. Sci Am Monthly 

 (233 Broadway, N.Y. 60c) 3:408 My '21 



Lesson on the plant in relation to its 

 food. Gard Chron Am 25:583-4 My '21 



Mineral nutrition in plant.s — some sugges- 

 tions on teaching the subject to high 

 school students of biology. A. Hopping. 

 School Sci and Mathematics (2059 E. 72d 

 place. Chicago 30c) 19:302-4 Ap '19 



Newer knowledge of plant nutrition. Ag 

 News 19:295 S 18 '20; Same. Tropical Ag 

 56:130-1 F '21 



Nitrogen metabolism in normal and in 

 blighted spinacli. S. L. Jodidi and others. 

 bibliog J Ag Research 15:385-404 N 18 '18 



Nutrient requirement of the potato plant 

 grown in sand cultures treated with type 

 I solutions. E. S. Johnston, bibliog il Soil 

 Sci 10:389-409 N '20 



Nutrient requirements of clover and wheat 

 in solution cultures. J. J. Skinner and F. 

 R. Reid. il Soil Sci 12:287-99 O '21 



Nutrition basis for horticultural pi'actice. 



E. J. Kraus. Cal State Comm Hort B v 7: 

 559-62 O '18 



Opfinmm nutrient solutions for plants. D. R. 



Hoagland. Science (Science Press, Garrison, 



N.Y. 15c) n s 52:562-4 D 10 '20; Abstract. 



Sci Am Monthly (233 Broadway, N.Y. 60c) 



3:177 F '21 

 Plant food. A. K. Short. Tex Ag Ext B C-11: 



1-7 "20 

 Plant — its physiological functions. T. H. Mc- 



Hatton. Am Fert 51:57-8 N 8 '19 

 Relation of amide nitrogen to the nitrogen 



metabolism of the pea plant. B. Sure and 



W. E. Tottingham. Int R Sci & Prac Ag 



9,no 7:803-4 Jl '18 

 Relation of the concentration and reaction of 



tlie nutrient medium to the growth and ab- 



.=;orption of the plant. D. R. Hoagland. 



bibliog J Ag Research 18:73-117 O 15 '19; 



Abstract. Exp Sta Record 42:24-5 Ja '20 

 Re.'se.nrch on the mineral nutrition of plants. 



P. Maze. Int R Sci & Prac Ag 10, no 7:845-7 



Jl '19 

 Some effects of organic growth-promoting 



substances (auximones). W. B. Bottomley; 



F. A. Mockeridge. Int R Sci & Prac Ag 

 9, no 6:675-7 Je '18 



Some interesting pliases of the pruning prob- 

 lem. C. I. Lewis. Better Fruit 13:8+ F '19 



Storage of plant food. Farmer's Advocate 

 55:2022 N 25 '20 



Sulfur and sulfur composts in relation to 

 plant nutrition. W. E. Tottingham and E. 

 B. Hart, bibliog il Soil Sci 11:49-65 Ja '21 



Supplv of food for plants. W. J. Spafford. J 

 Dept Ag S Australia 22:465-74 Ja '19 



Vegetable plethora. F. Gagnespain. il Sci Am 

 Sup (233 Broadway, N.Y. 10c) 88:220 O U 

 •19 



See also Photosynthesis 



Pathology 



See Plants — Diseases and pests 



Photographs and photography 



Colored photographs of plant disease speci- 

 mens. M. W. Gardner and G: K. K. Link. 

 Science (Science Press, Garrifson, N.Y. 15c) 

 n s 51:556-8 Je 4 '20 



Plant Dhotography on the Burma frontier E. 

 Cox.' Gard Chron (Lond) 69:139 Mr 19 '21 



