986 



EXPERIMENT STATION KECOED. 



[Vol. 43 



Root crops — 



culture experiments, 528 ; Minn., 823. 

 culture in Nigeria, 637. 

 paper on, Wash., 197. 

 storage experiments, N.H., 86. 

 variety tests, Can., 735 ; Minn., 824. 

 (See also special crops.) 

 Roots — 



anatomical modifications, 732. 

 artificial budding, 634. 

 banding and forking in, 732, 

 development in relation to lime in soil, 



623. 

 etching effect on marble, 422. 

 resting period, 634. 

 water absorption region, 526. 

 Rose — 



aphids, studies, Me., 159. 

 beetle, Japanese, notes, 52. 

 canker, 753. 



diseases in Trinidad, 152. 

 graft disease, studies, 753. 

 Roses — 



climbing, culture, 838. 

 for Nebraska, list, 240. 

 for Yuma region, U.S.D.A., 339. 

 mildew-resistant varieties, 247. 

 propagation and culture, 240. 

 strawberry rootworm on, 362. 

 RosirelJa coffew on pimento, 151. 

 Rotation — 



fertilizer experiments, Can., 727 ; Ky., 



814 ; Ohio, 322, 726. 

 of crops, Md., 133 ; U.S.D.A., 134. 

 of crops, alfalfa in, 721. 

 of crops, effect on soil moisture, 210. 

 of crops for hog farm, Ohio, 333. 

 of crops on bog soils, 231. 

 of crops on Palouse silt loam, Idaho. 



227. 

 of crops under irrigation, Nebr., 637. 

 with and without legumes, as affected 

 by lime, 128. 

 Roughages, process for reducing fiber con- 

 tent, 868. 

 Rubber — 



bark rot, prevention, 658. 

 brown bast, cause, 659. 

 brown bast, notes, 445. 

 brown bast, treatment, 552. 

 coconut bud rot on, 156. 

 culture experiments in Uganda, 344. 

 diseases in Federated Malay States, 45. 

 diseases in India, 658. 

 diseases in Uganda, remedies, 350. 

 diseases, notes, 445. 

 in French colonies, papers on, 344. 

 in West Africa, improvement, 149. 

 industry in Brazil, 344. 

 latex, effect of heavy tapping on com- 

 position, 43. 

 latex rings, studies, 43. 

 latex, variation in rubber content, 31. 

 leaf disease, new, in Java, 49. 

 plantations in Netherlands India. 748. 

 planters, courses for training, 6.59. 



Rubber — Continued. 



root disease, notes, 653. 



selection experiments, 748. 



substitutes in Germany, 204. 



tapping experiments, 43, 344, 748, 841. 



tapping methods, 344. 



tapping rot, remedies, G58. 



yields, variation in and improvement, 

 31. 

 Rubwva multifida, essential oil from, 502. 

 Rumen — 



atony of, 780. 



feed, composition and digestibility, 207. 

 Run-off as affected by cropping and cultiva- 

 tion. Mo., 721. 

 Rural — 



communities, child-welfare teaching, 

 694. 



communities, list of publications, 595. 



communities, treatise, 894. 



credit. ( See Agricultural credit. ) 



development, methods and policies, 894. 



economics in India, 292. 



juvenile court, problems, 294. 



labor. (Kce Agricultural labor.) 



life in England, organization, 487. 



life in France, papers on, 292. 



life in India, 293. 



reconstruction. (See Reconstruction.) 



schools. (See Schools, rural.) 



science, textbook, 195. 



service, training for. 495. 



socialization, 91. 



(See also Community and Country.) 



RUBt — 



mite, effect of freeze of 1917. 555. 



spores, temperature of germination, 

 N.H., 842. 

 Rusts — 



of Delaware, list, 328. 



studies, Iowa. 654. 



(See also Cereal, Wheat, etc.) 

 Rutabagas. (See Swedes.) 

 Rutgers College, notes, 199, 799. 

 Rye — 



and vetch as fall forage, JIo.. 736. 



as green manure, U.S.D.A.. 134. 



bran, analyses, N.J., 69. 672. 



culture experiments, Ariz., 733. 



culture on peat soil, 23. 



diseases, control, Tex., 845. 



fall planting. Wash.. 738. 



feed, analyses, R.I.. 672. 



fertilizer experiments, 126. 



grass, Italian, culture ixperiments. 

 Wash., 436. 



inheritance of albinism, 132. 



leaf rust, studies, Ind., 345. 



middlings, analyses, 867 ; Ind., 69. 

 867; Ky., .373; N..T.. 69, 672. 



mixed fof^d, analyses, Ky., "7". 



red dog, analyses, 867. 



sawfly. black grain-stem. U.S.D.A., 363. 



scab organism, production of conidia, 

 545. 



smut, notes, 445, 



