INDEX OF SUBJECTS. 



1235 



p Hg& 



Robins, economic relations 853 



.N.J 483 



notes 342 



Robinson, Norman, biographical sketch, 



U. S. D. A 19 



Rock phosphate. (See Phosphate.) 



powders as affected by water 621 



Rocks, alkaline, in Central Africa 241 



analyses 334,642 



manual of chemical analysis 63S 



Root, artificial, for inducing capillary move- 

 ment of soil moisture 450,451 



crop diseases in I reland 381 



crops, analyses 254 



Can 249 



composition as affected by 



fertilizers 243 



culture experiments, Can 249 



on moor soils 239, W I 



fertilizer experiments 38 



notes, Mich 250 



seed selection 254 



varieties 35 



juices, acidity 344 



tubercle bacteria— 



iis affected by assimilable nitro- 

 gen 644 



descriptions, Del 748 



experiments 132 



notes 340 



of red clover 231 



tubercles — 



development as affected by nutri- 

 tion 645 



of alders 1095 



alfalfa, Wis 763 



peas 23 



production. C. S. P. A 850,954 



Roots, acidity of 1049 



food value 79 



secretion of carbon dioxid by 1048 



Rose beetle, Fuller's, notes, U. S. D. A 71 



Japanese, notes, U. S. D. A 143 



chafer, notes, Wis 792 



insects, notes 72 



rust, notes 676 



scale, notes, Colo 1096 



Rosebud feather-wing, notes 683 



Rosellin ia radiciperda, notes 67, 380 



Roses, forcing with ether 159 



Rotation experiments 254, 2.55, 



352,353,459,765,1070 



Can 250 



Mont 762 



R.I 150 



Utah 151 



of crops. S. C 148 



U.S.D.A 138 



Rotations, effect on soils, .Minn 956 



Rothamsted Experiment Station, notes 1143 



Rotifers, literature in 1900 853 



Roup, notes 126, 612 



(al 1029 



studies 406, 409 



Rubber, analyses 373 



artificial, treatise 744 



Pago. 



Rubber, canker fungus, description 69 



notes 380 



coagulating in Africa 373 



culture 266,267, 781 



experiments 356, 972 



in Porto Rico, I . S. D. A.. 1 1 < 



Rhodesia 159 



from Urceola esculenta 51 



Willughbeia edulis ', 1 



in the Philippine Islands 268 



insects affecting 276 



Para, culture in Malay Peninsula . . 159 



fertilizer experiments 160 



leaf fungus 679 



preparation in Ceylon 54 



seed 53, L60 



tapping 160 



plants, beetle injurious to 1100 



notes 470 



production along the Amazon 976 



treatment with formalin 159 



trees, injury by borers 279 



tapping 54,267,977 



Rubidium chlorid, effect on plants 20 



Rumex acetosa, analyses 1071 



Rural economics, instruction in 430 



engineering, history 724 



report on 430 



value of courses in 62] 



Russell area, Kansas, soil survey, U.S.D.A. 1060 



Rust fungi, culture experiments 787,885 



heteroecious 63 



investigations 384 



vegetative life 780 



Rusts, distribution 622 



spores 787 



(See also Com, Wheat, etc.) 

 Ruta-bagas. (See Swedish turnips.) 



Rye as a cover crop 778 



baking quality in relation tocolor 798 



bran, analyses, Conn. State 903 



breeding experiments . . . 255, 772, 785, 864,965 



chops, analyses 394 



culture experiments 459,864,965 



Cal 964 



Can 248 



Utah 862 



in Alaska, U. S. D. A 141,142 



on moor soils 38 



electro-culture 557 



ergotized, removal from seed rye 571 



feed, analyses 394 



Conn, State 903 



Mass 494,904 



fertilizer experiments 30, 



242, 244, 245, 859, 860, 861 , 1073 



for cows, Md 694 



germination as affected by- 

 carbon bisulphid 785 



chlorin 984 



naphthalin 1090 



gluten content in relation to color 798 



grass, germination as affected by tem- 

 perature 983 



leaf-spot, notes 379 



seed fungus 645 



