INDEX OF SUBJECTS. 



985 



Page. 



Polptrias amaurea, notes 362 



Polyurates, effect on development of radishes. 229 

 Pomaderris apetala, food plant of purple scale, 



Cal 756 



Pomelos, food plant of purple scale, Cal 755 



host plant of fruit fly 758 



Platynota rostrana affecting 150 



Ponds, fertilizer experiments 811 



Ponies. (See Horses.) 



Poplar mocha-stone moth, notes, Conn. State. 856 



weevil, notes. Me 753 



Poppies, fertilizer experiments 129, 425, 630 



Poppy cake, analyses 266 



Porcelain, marking, U.S.D.A 715 



Porcidin, use against swine plague 587 



Pork, inspection in China and Siberia 258 



Porthttria dispar. {See Gipsy moth.) 



Porto Rico Sugar Planters' Station, notes. 300,696 



University, notes 97 



Potash- 

 availability in barnyard manure 323,424 



bearing rocks in ^Vyoming 623 



content of seaweeds 726 



determination in asli of cereals 807 



ashes 99 



fertilizers 108 



extraction from aluminum silicates 426 



feldspar 726 



minerals 526 



fertilizers, comparison 525, 536, 837 



Mass 31 



fertilizing value 536,537 



Wyo 534 



for meadow soUs 424 



industry in Germany 526 



treatise and bibliography 316 



lime, fertilizing value 526 



loss in drainage water 422,620 



minerals as sources of potash 425 



production from sugar beets 613 



relation to grape chlorosis 344 



r61e of in plant nutrition 530 



salts, effect on soils, U.S.D.A 216 



{See also Potassium salts.) 



search in America 526 



use on pastures 437 



Potassic superphosphate, fertilizing value ... 231 

 I'otassium — 



bichromate, effect on germination of seeds 820 



chlorid, fertilizing value 526 



content of muscles 566 



detection as cobalti-nitrate 007 



determination as platinic chlorid 108 



ferrocyanid residue, fertilizing value 323 



localization and function in plants 823 



nitrate deposits in western America 226 



exports from India 524 



permanganate, as a soil sterilizer 322 



salts, effect on catalase 504 



silicate in phonolite, fertilizing value 726 



tellurate as a fly repellent 755 



Potato — 



bacterial diseases, studies 847 



flbrovascular disease, notes 547 



Pago. 



Potato— Continued . 



bacterial rots, studies and bibliography. . 846 



beetle, Colorado, notes. Conn. State 865 



pigment and color pat- 

 tern in 350 



black scab or tumor, studies and bibliog- 

 raphy 547 



blackleg, treatment, Me 546 



blight, notes 143 



canker, studies and bibliography 547 



corky scab, occurrence in Scotland 748 



desiccation industry in Germany 414 



diseases, investigations 142 



notes 243 



W.Va 844 



relation to weather, Vt 53 



treatment 233, 536, 631 



Vt 53 



W.Va 848 



drying, notes 117 



flakes for horses 668 



pigs 167 



flour, baking experiments 156 



industry in Germany 809 



Fusarium blight or wilt, notes, Ohio 299 



late blight, mode of infection 53 



notes 143 



Mass 649 



leaf curl, notes 446 



roll, investigations 547 



notes 648 



moth, notes 59 



products for pigs 668 



protein, hydrolysis 801 



root rot, notes 446 



rot, notes 648 



prevention 342 



scab, treatment 342 



Va.Truck 740 



stalk borer, notes 253 



starch, effect on quality of dough 761 



stem rot, notes 446 



tuber worm, notes 655 



wart disease, notes and bibliography 448 



or black scab, notes 244 



Potatoes— 



after-ripening of 626 



analyses 363, 770 



as affected by ether 127 



water level 620 



assimilation of nitrogen by 319 



blindness in 847 



cost of production, U.S.D.A 190 



cultiu-e, Va.Truck 740 



experiments 233, 329, 536, 631, 736 



Mont 38 



Tenn 422 



in Ireland 41 



on irrigated land, U.S.D.A 636 



disease resistance in 836 



diseased, yields 536 



dried, analyses 770 



digestibility 468 



electroculture 835 



