AGRICULTURAL INDEX 



S49 



Plants, Chemical analysis of — Continued 



Chemical and physiolog-ical study of mottling 

 of leaves. F. M. Schertz. bibliog il Bot Gaz 

 71:81-130 F '21 



Chemical changes in wheat during germina- 

 tion. H. A. Choate. bibliog il Bot Gaz 71: 

 409-25 Je '21 



Chemical composition of the cotton plant. 

 G. S. Fraps. Tex Ag Exp B 247:1-17 '19 



Chemical constituents of amaranthus retro- 

 fiexus. M. 1>. Woo. bibliog Bot Gaz 6S:313- 

 44 N '19 



Chemistry of after-ripening, germination, 

 and seedling development of juniper seeds. 

 D. A. Pack, bibliog Bot Gaz 72:139-50 S 

 •21 



Determination of nitrites and nitrates in 

 plant tissue. W. H. Strowd. bibliog Soil Sci 

 10:333-42 N '20 



Easy lesson in farm chemistry: how the plants 

 eat air and breathe it, and become sugar 

 factories. H. A. Webb. Va Ag Dept B 148: 

 64-7 '20 



Report on inorganic plant constituents. J. H. 

 Mitchell. Assn Ofhc Ag Chem J 4:391-4 F 

 '21 



Reserve food materials in vegetative tissues. 

 G. M. Tuttle, bibliog Bot Gaz 71:146-51 F 

 •21 

 Plants, Climbing. See Climbing plants 

 Plants, Color of. See Color of plants 

 Plants, Effect of aluminum on 



Effect of aluminium ions upon the germina- 

 tion and growth of plants. J. Stoklasa and 

 others. Int R Sci & Prac Ag 10, no 10:1095-7 

 O '19 



Influence of aluminvim ions on seed germi- 

 nation. J. Stoklasa and others: Abstracts. 

 Sci Am Sup (233 Broadway, N.Y. 10c) 87: 

 318-20 Mv 17 '19; Int R Sci & Prac Ag 10,no 

 10:1095-7"O '19 

 Plants, Effect of anesthetics on 



Effect of anesthetics upon respiration. 

 A. R. C. Haas, bibliog Bot Gaz 67:377-404 

 My '19 

 Plants. Effect of barium on 



Effect of certain compounds of barium and 

 strontium on the growth of plants. J. S. 

 McHargue. il J Ag Research 16:183-94 F 

 17 '19; Abstract. Int R Sci & Prac Ag lO.no 

 7:850-1 Jl '19 

 Plants, Effect of boron on 



Desert vegetation and boron. K. F. Keller- 

 man. Sci Am Monthly (233 Broadway, N.Y. 

 60c) 3:77-8 Ja '21 

 Plants, Effect of calcium on 



Function of calcium in the nutrition of seed- 

 lings. R. H. True. Am Soc Agron J 13:91- 

 107 Mr '21 

 Plants, Effect of carbohydrates on 



-S^ee also Sugars 

 Plants, Effect of chemicals on 



Effect of certain substances on plants. G. 

 Ciamician and C. Ravenna. Int R Sci & 

 Prac Ag 11, no 3:303-7 Mr '20 



Effect of zinc and Iron compared with that 

 of uranium and cobalt on growth of as- 

 pergillus. R. A. Steinberg. Bot Gaz 70: 

 465-8 D '20 



Modification of vegetative and reproductive 

 functions under some varying conditions of 

 metabolism. E. J. Kraus. Am J Bot 7:400- 

 16 D '20; Abstract. Sci Am Monthly (233 

 Broadway, N.Y. 60c) 3:522 Je '21 

 See also Trees — Injection of chemicals 

 Plants, Effect of climate on 



Alfalfa seed gro-\ving and the weather. ,T. 

 C. Alter, bibliog map Utah Ag Exp B 171: 

 1-31 '20; Abstract. Exp Sta Record 42, no 

 9:806-7 '20 



Anatomical reduction in some Alpine plants. 

 C. C. Forsaith. bibliog il Ecol 1:124-35 Ap 20 



Climates of the British Empire suitable for 

 the cultivation of cotton. C. E. P. Brooks. 

 Int R Sci & Prac Ag 11, no 7:944-6 S '20 



Climatic adaptations of the white tepary bean. 

 G. W. Hendry, il Am Soc Agron J 11:247-52 

 S ^19; Abstract. Int R Sci & Prac Ag 11, 

 no 4:418-22 Ap '20 



Climatic control of the morphology and 

 physiology of beets; abstracts. H.. B. 

 Shaw. Int R Sci & Prac Ag lO.no 1:27-30 

 Ja '19; Exp Sta Record v 40.no 6:531-2 '19 



Corn yield and the weather. Wallaces' F 44: 

 133S Jl 4 'I'J 



Damage to crops by weather. J. W. Smith 

 (U.S. Mo. Weather R., 48, no. 8:446 '20). 

 Exp Sta Record 44:118 F '21 



Effect of climate on the growth of wheat 

 in Portugal. Int R Sci & Prac Ag ll.no 1: 

 S-10 Ja '20 



Effect of season and crop growth on the 

 physical state of the soil. D. R. Hoag- 

 land and J. C. Martin. J Ag Research 20: 

 397-404 D 1 '20 



Effect of the frosts of the winter of 1916-17 

 on vegetation. E. A. Bowles. Royal Hort 

 Soc J 43,pts 2-3:388-461 F '19 



Etat des rfecoltes dans I'Allier. A. Nebout. J 

 Ag Pratique 33:301-2 Ap 22 '20 



Hardiness of plants from central and western 

 China. E. H. Wilson. Gard Chron (Lond) 

 66:143 S 13 '19 



Length of the life cycle of a climbing bamboo, 

 a striking case of sexual periodicity in 

 chusquea abietifolia Griseb. W: Seifriz. 

 bibliog il Am J Bot 7:83-94 Mr '20 



Mathematical inquiry into the effect of 

 weather on corn yield in the eight cornbfelt 

 states. H. A. Wallace (U.S. Mo. Weather 

 R., 48,no. 8:439-46 '20). Exp Sta Record 

 44:118-19 F '21 



Origin of species. J For 16:935-6 D '18 



Relation between climate and cereal yield in 

 Sweden. A. Wallen. Int R Sci & Prac Ag 

 9. no 12:1401-4 D '18 



Relation of weather to the amount of cotton 

 ginned during certain phases of the har- 

 vest. J. B. Kincer. Int R Sci & Prac Ag 9, 

 no 6:655-9 Je '18 



Sur I'application aux cultures tropicales de la 

 methode de M. Le pr Azzi; with discus- 

 sion. P. Carton. Acad Ag France Compt 

 Rend 7:126-33 F 16 '21; Same cond. J Ag 

 Pratique 35:161 F 26 '21 



See also Fruit trees. Effect of climate on; 

 Trees, Effect of climate on 

 Plants. Effect of copper on 



Absorption of copper from the soil by potato 

 plants. F. C. Cook. J Ag Research 22:281-7 

 O 29 '21 



Action of copper on the growth of the vine 

 and on its resistance to drought. A. Cadoret 

 .qnrt S. Castana. Int R Sci & Prac Ag 10.no 

 7:013-14 Jl '19 

 Plants, Effect of electricity on 



Effect of direct current on cells of root tip 

 of Canada field pea. H: F. A. Meiler. bib- 

 liog il Bot Gaz 72:113-38 S '21 

 Plants, Effect of gases on 



Experiment made with clumine upon wheat, 

 barlev and oats in the experiment field Oi 

 Grotta Rossa (Rome). E. Cusuhano. Int R 

 Sci & Prac Ag 11, no 9:953-4 S '20 



Germans increase crops by fertilizing the 

 air. Ag J of India 16:212-14 Mr '21 



Hvdrogen cyanide fumigation. E. E. Clayton, 

 bibliog il Bot Gaz 67:483-500 Je '19 



Xote on the effects of illuminating gas and 

 its constituents in causing abscission oi 

 flowers in nicotiana and citrus. T. H. 

 Goodspeed and others, bibliog Cal Lniv 

 Pub Bot v 5, no 15 439-50p '18 (15c) 



Residual effects of carbon dioxide gas ad- 

 ditions to soil on roots of lactuca sativa. 

 H. A. Noyes and J. H. Weghorst. il Bot 

 Gaz 69:332-6 Ap '20 



Sur la disparition de I'orme sous les gaz de 

 guerre. R. Graffin. Acad Ag France Compt 

 Rend 6:C09 Je 30 '20 

 Plants, Effect of iron on ^ - , 



Influence of iron in the forms of ferric phos- 

 phate and ferrous sulfate upon the growth 

 of VN-heat in a nutrient solution. L- H. 

 Jone.'; and J: W. Shive. il Soil Sci 11:90-. 

 F '21 

 Plants, Effect of light on 



Action of ultra-violet rays on sugar cane, 

 pineapple and banana, in Hawaii. T. Tsu:i. 

 Int R Sci & Prac Ag 9,no 11:1300-1 N '18 



