AGRICULTURAL INDEX 



805 



Root crops — Continued 



Root crop culture in South Dakota. M. 

 Champlin and G: Winright. il S D Ag Exp 

 B 180:824-53 "18 



Root crops; high price of grain makes health- 

 ful roughage more essential than ever. D. S. 

 Blair, il Field II 28:242-3+ Ap '18 



Root-growing in middle Taranaki. J. W. 

 Deem. J Ag New Zealand 17:90-5 Ag '18 



Roots; harrowing, wheel hoeing and thinning. 

 P. A. Boving. J Ag (Quebec) 20:4 Jl '16 



Spring preparation for roots. E. A. Lods. J 

 Ag (Quebec) 20:222 My '17 



Start root crops for winter supply. A. Kruhm. 

 il Gard M 23:330-1 Jl '16 



Summer care of the root field. E. A. Lods. 

 il J Ag (Quebec) 20:238 Je '17 



Turnips and other root crops. A. L. Dacy. 

 W Va Ag Ext C 194 4p '18 



Turnips, beets, and other succulent roots, and 

 their use as food. C. F. Langworthy. U S 

 As B 503:1-18 '17 



Two Peruvian root crops. Rural N T 75:1053 

 Ag 5 '16 



Sec aJso names of root crops, e.g. Beets, 

 Carrots, Ginseng, Mangels, Onions, Par- 

 snips, Peanuts, Potatoes, Rutabagas, Sal- 

 sify, Turnips 



Diseases and pests 

 Cabbage root maggot and its control in Can- 

 ada; means of controlling root maggots. A. 

 Gibson and R. C. Treherne. p 36-56 11 '16 

 Canada Ag 

 Rot of turnips and Swedes. J. Vanderleck. il 

 J Ag (Quebec) 20:76 O '16 



See also Onion maggots; Root maggots 



Seed 

 Experimental work with field root seed grow- 

 ing. F. S. Browne, il Ag Gaz of Canada 3: 



786-8 S '16 

 Field root and vegetable seed growing in 



the maritime provinces. S. J. Moore. Ag 



Gaz ol Canada 4:122-3 F '17 

 Field root seed production. Ag Gaz of Canada 



3:807-9 S '16 

 Home-grown versus commercial seed of field 



roots. J Ag (Quebec) 21:88 D '17 

 Root seed growing in Canada. Ontario Ag 



Dept B 260:36-43 '18 

 Root-seed production. L. C. Raymond, il J Ag 



(Quebec) 22:36-7 S '18 

 Root seed production at Macdonald college. 



P. A. Boving. il Ag Gaz of Canada 3:894-8 



O '16 

 Storage of roots for seed production. L. C. 



Raymond, il J Ag (Quebec) 22:74 N '18 



Storage 

 Construction of root cellar. G. B. Fiske. plan 



Rural N Y 75:1127 Ag 26 '16 

 Root and vegetable cellars. Mrs W. W. Bur- 



dett. Rural N Y 75:1231 S 23 '16 

 Storage of roots for seed production. L. C. 



Raymond, il J Ag (Quebec) 22:74 N '18 

 Storing root crops on the farm. II plans 



Hoard's D 54:213 S 14 '17 

 Vegetable or root storage cellars. H. C. 



Campbell. II plans Hoard's D 54:212 S 14 '17 

 Winter storage of roots. P. H. Aldrich. Vt Ag 



Exp B 203:3-9 Mr '17 

 See also names of crops, subhead Storage 



Varieties 

 Choice of root crop varieties. E. A. Lods. il 



J Ag (Quebec) 20:166 F '17 

 Co-operative experiments at Matamata; 

 manurial and root-variety trials. J. W. 

 Hadfield. J Ag New Zealand 13:214-24 S '16 

 Root-gallworm. See Nematodes 

 Root grafting. See Grafting 

 Root- knot nematodes. See Nematodes 

 Root maggots 

 Radish maggot and screening. P. J. Parrott. 



J Econ i-:ntom 10:79-81 F '17 

 Relation of the common root maggot (pego- 

 myia fusciceps Zett.) to certain crops in 

 Louisiana. E. S. Tucker. J Econ Entom 10: 

 397-406 Ag '17 



Swat the vegetable fly. Country Gent 83:29 

 Ja 19 'IS 



Si-<} also Cabbage maggots 

 Root- nematode. See Nematodes 

 Root rot 



Polyporus dryadeus, a root parasite on the 

 oak. W. H. Long, bibliog il J Ag Research 

 1:239-50 D '13 



Ramularia root-rots of ginseng. C. L. Zinns- 

 meister. il Phyt 8:557-71 N '18 



Resistance in tobacco to the root-rot disease. 

 J. Johnson, il Phyt 6:167-81 Ap '16 

 Sec also Apple black rootrot 

 Root worms. See Nematodes 

 Roots 



Absorption of ions by living and dead roots. 

 H. V. Johnson. Am J Bot 2:250-4 My '15 



Acid excretion of r6ots. H: (joupin. Int R 

 Sci & Prac Ag 8, no 12:1204-5 D '17 



Development of the root system of cirsium 

 arvense and medicago sativa with refer- 

 ence to their vegetative reproduction; ob- 

 servations carried out in Russia. J. Pac- 

 zoskij; F. Berg. Int R Sci & Prac Ag 8, no 

 4:563-5 Ap '17 



Economic significance of the root-develop- 

 ment of agricultural crops. A. Howard and 

 G. L. C. Howard, il Ag J of India Sci Con- 

 gress No 1917:17-28 



Epidermal cells of roots. E. A. Roberts, 

 bibliog Bot Gaz 62:488-506 D '16 



Exchange of ions between the roots of lupi- 

 nus albus and culture solutions containing 

 one nutrient salt. R. H. True and H. H. 

 Bartlett. Am J Bot 2:255-78 Je '15 



Exchange of ions between the roots of lupi- 

 nus albus and culture solutions containing 

 two nutrient salts. R. H. True and H. H. 

 Bartlett. Am J Bot 2:311-23 Jl '15 

 ■ Exchange of ions between the roots of lupi- 

 nus albus and culture solutions containing 

 three nutrient salts. R. H. True and H. H. 

 Bartlett. Am J Bot 3:47-57 F '16 



Fruit tree root systems; spread and depth. 

 A. B. Ballantyne. il Utah Ag Exp B 143:1- 

 15 '16 



Growth of the root system of medicago sa- 

 tiva. Int R Sci & Prac Ag 7,no 8:1088-9 Ag 

 '16 



* Have roots an intelligence? S. L. Bastin. il 



St Nicholas (353 4th av, N.Y. 25c) 46:78-80 



N '18 

 Influence of the medium upon the orientation 



of secondary terrestrial roots. R: M. Hol- 



man. il Am J Bot 3:407-14 O '16 

 New method adopted in Russia for studying 



the root system of cultivated plants. Int 



R Sci & Prac Ag 7,no 2:204-5 F '16 

 On the relation of root growth and develop- 

 ment to the temperature and aeration of 



the soil. W. A. Cannon. Am J Bot 2:211-24 



My '15 

 Orientation of primary terrestrial roots with 



particular reference to the medium in 



which they are grown. R: M. Holman. 



bibliog il Am J Bot 3:274-318 Je '16 

 Pin money in roots and herbs. Mrs H. M. 



Woodward. Ohio F 137:83 Ja 15 '16 

 Root systems of agricultural plants. E. C. 



Miller, bibliog Am Soc Agron J 8:129-54 My 



'16 

 Root systems of certain desert plants. M. S. 



Markle. il Bot Gaz 64:177-205 S '17 

 Roots of a plant. Gard Chron Am 20:321 Jl 



'16 



* Some biological features of roots. W. A. Can- 



non, il Sci Am (233 Broadway, N.Y. 10c) 



119:373 N 9 '18 

 Stimulation of root growth in cuttings by 



treatment with chemical compounds. O. F. 



Curtis, bibliog il Cornell Ag Exp Memoir 



14:75-138 '18 

 Studies on the root system of plants, in ref- 

 erence to selection and drought resistance. 



A. P. Modestov. Int R Sci & Prac Ag 7,no 



7:954-60 Jl '16 



See also Corn — Roots; Geotropism; Grain 

 — Roots; Root crops; Trees — Roots 



