20 



DEPAETMEjS t T of ageioultuee BULLETINS 101-125 



Phosphoric acid, soil content, determination method. . 



Phytonomus p>osticus. See Alfalfa weevil. 



Pica pica hudsonia, occurrence in alfalfa-weevil districts, 



habits, food, importance 



Picea spp., treatment with creosote as preservative 



Pickle, kinds, making and uses 



Pickled goods, care 



Pickles, cucumber — 



healthfulness as affected by alum 



making ; 



Pickling vegetables 



Pigweed, use as greens 



Pine — 



Himalayan, host of white-pine blister rust, note. . . 



siskin, food habits, note 



species, treatment of wood with creosote as pre- 

 servative 



western Montana, injury by Sequoia pitch moth 



Pinus excelsa. See Pine, Himalayan. 



Pinus spp., treatment with creosote as preservative 



Piper, C. V. and W. J. Morse, bulletin on ''Five Orien- 

 tal species of beans " 



Pipilo maculatus montanus, occurrence in alfalfa-weevil 



districts, food, importance 



Pitch moth. Sequoia. See Moth. 



Pitch, utilization in control of Sequoia pitch moth, value, 



recommendations, etc 



Planesticus migratorius propinquus, occurrence in alfalfa- 

 weevil districts, food, importance 



Plant food, loss in manure, use of chemicals in preven- 

 tion 



Plant Industry Bureau, cooperation with Chemistry 

 and Entomology Bureaus in fly destruction in 



manure, plan, etc 



Plants — 



composition, lesson for movable schools 



effect of — 



borax-treated manure 



salicylic aldehydes 



food, classification, lesson for movable schools 



Posecetes r/ramineus confinis, occurrence in alfalfa-weevil 



districts, food, importance 



Podosphaera spp., cause of apple powdery mildew ..... 



Poke, use as greens 



Pollen, distribution by thrips 



Pollination, thrips as means 



Potash — 



soil content, determination method 



with salicylic aldehyde, effect on wheat in culture 



solutions 



Potassium, absorption by plants 



Potassium cyanid, use in fly destruction, effect on ma- 

 nure, etc 



Potato flour, use 



Potatoes — 



cooking 



growing, Utah Lake Valley — 



cost and profits 



disadvantages, etc. , note 



poisoning by, notes 



Bulletin. 



Page. 



122 



107 

 101 

 123 



123 



103 

 123 

 123 

 123 



116 

 107 



101 



111 



101 



119 

 107 



8,27 



11-14 



24-26, 39, 41 



69-70 



70 



4 



61 



68-71 



15 



6 



2S 



10. 29-36, 



39-40. 41-43 



1-11 



10. 29-36, 

 39-40, 41-43 



1-32 



'36-37 



111 



11 



107 



43-45 



US 



2-3, 8-21 



118 



1,3-8 



123 



4-9 



US 

 108 

 123 



22-23. 24 



3-12. 22-24 



2-4 



107 

 120 

 123 

 104 

 104 



28-30 



1, 2, 5. 24 

 15 



1-12 

 4-10 



12-2 



27 



10S 

 108 



9-10 

 11 



118 

 123 



12-13, 15. 24 



26 



123 



29 



117 

 117 

 123 



15 

 15 

 25 



