1270 



EXPERIMENT STATION RECORD. 



Page. 



Pomelos as aflected by siroc(?o winds 337 



Ponies, breeding 982 



Pontentilla elata, notes, Cal 836 



Popcorn, varieties, N.J 38 



Poplar- 

 bacterial disease, notes 745 



studies 551 



borer, remedies, N. Y. State 957 



Carolina, fungus disease 551, 748 



for packing boxes, statistics, U.S.D.A. . 1136 

 pulp manufacture, statistics, U.S. 



D.A 448 



yellow, for veneer, statistics, U.S.D.A. . 642 



notes, U.S.D.A 1133 



yield of lumber, U.S.D.A 446 



Poppies, culture experiments 1132 



on sewage fields 436 



varieties 1132 



Poppy, Asiatic, culture, U.S.D.A 241 



Populus deltoides, notes, U.S.D.A 1133 



PorcelHo Isevis, life history, U.S.D.A 952 



Porta vincia, notes 945 



Pork scraps for poultry. Can 469 



Porto Rico Station, notes 196,495,999 



report, U.S.D.A 295 



Potash — 



assimilation by plants 322, 1108 



availability in fertilizers 321 



soils 322 



determination 108, 398, 608, 708 



effect on composition of barley 730 



potatoes 334 



extraction from feldspar, U.S.D.A 717 



fertilizers, comparison 440 



Mass 226,227 



field experiments 538 



for Colocasia antiquorum 124 



use 219 



fertilizing value 137, 539 



for barley 730 



in fertilizers, sources and functions 921 



minerals, utilization 540 



recovery from sugar wastes 536 



recpjirements of Deli tobacco soils 119 



salts, mining and use 540 



Potassium — 



and sodium, relation in soils 321 



atomic weight 1107 



carbonate, analyses, Mass 220 



R.I 1108 



fertilizing value, Mass 226 



chlorid, use 219 



compounds, fertilizing value 32, 123 



cyanamidocarboxylate, effect on germi- 

 nation of seeds 537 



cyanid, fumigation. Can 163 



manufacture 536 



mining, crisis 432 



phosphate, eflect on milk 1078 



reagent for 909 



salts, effect on plants, R. 1 1115 



statistics 726 



Potato — 



bacterial diseases, notes 149, 551, 745 



rot, studies 646 



beetle, distribution 3;53, 849 



Page. 

 Potato— Continued. 



beetle, notes, Fla 57 



black shank, studies 646 



blight, notes 1018 



resistance to, Can 132 



treatment, Mich 53 



Wis : 53 



Wyo 948 



canker, notes 149,343 



diseases, descriptive guide to 64G 



notes 450 



Colo 931 



Md 51 



resistance to 138 



N. Dak 24,1053 



downy mildew, notes. Conn. State 49 



early blight, notes 149 



treatment, Ohio 450 



industry in Colorado, Colo 931 



late blight, treatment. Conn. Storrs 51 



Ohio 450 



leaf blotch, notes 943 



curl, investigations 343, 553 



maggot, notes, Fla 57 



moth, description and remedies 557 



notes 161, 251, 344 



Rhizoctonia disease, notes 646 



treatment, Wyo... 948 



root rot, notes 56 



rot, investigations 343 



notes 1018 



Conn. Storrs 52 



Mass 221 



Ohio 691 



treatment. Wis 53 



Wyo 948 



scab, notes 59, 149, 151, 646 



Me 1174 



treatment. Me - 1140 



Wyo 948 



scurf, notes 151 



tuber moth, notes 750 



wart disease, notes 149 



winter rot, treatment 1056 



Potatoes — 



analyses. Mass 241 



artificial feeding 630 



barnyard manure for 325 



black Congo, culture and use 33 



composition, studies 334 



cooking quality 65 



cost of hauling, U.S.D.A 886 



culture 929 



Colo 931 



experiments 27, 439, 832, 928, 931 



Miss 1128 



Nebr 1041 



in northern Norway 320 



Porto Rico, U.S.D.A... 226 



Sweden 333 



on sewage fields 436 



dried, feeding value 364 



drying in Germany 364 



effect on soil moisture 318 



evaporating plant, description 591 



fertilizer experiments 20, 28, 217, 



325, 333, 334,431, 629, 928, 929, 1029 



