INDEX. 15 



Bulletin 



Pennsylvania— No - l>a se. 



apple growing, production and varieties 't 495 6-7, 17-18, 45-47 



strawberry shii)ments in 1915 477 30 



Peppers, injury by melon fly, Hawaii 491 ] 7 



Persia, fruits, exports 1909-1913 483 . 38 



Pettis seed-bed frame, description 479 30-31 



Pigs, pasturing on alfalfa, experiments, gains etc 488 5, 16-19 



Pilgrim Creek Nursery, California, practices, irrigation, ("35, 37, 38, 41, 



shading, etc " 479 { 46, 49,61.67, 



„. 69, 85 

 Pine — 



slash, rotting in forests, Arkansas 496 7-9 



timbers, western yellow, tests of car sills, joists, and small 



clear pieces, bulletin by C. W. Zimmerman 497 1-16 



western yellow — 



occurrence of western red-rot, preliminary report, 



bulletin by W. H. Long 490 1-8 



Santa Fe National forest, occurrence of western red- 

 rot, data 490 5-7 



"Pine-tip moth, injury to nursery seedlings 479 76 



JPinus ponderosa — 



red-rot, occurrence, preliminary report, bulletin by W. H. 



Long " 490 1-8 



western red-rot, occurrence in, preliminary report, bulle- 

 tin by W. H. Long 490 1-8 



See also Pine, western yellow. 



Piper, S. E., citation on control of rodents 479 77-79 



.Piping, irrigation systems, kinds and description 495 23-25 



Planting, sugar cane, practices and suggestions 486 16-21 



Plowsole, formation in irrigated soils, nature 499 4 



Plums, production, 1909 483 2, 4 



Pocatello Nursery, Idaho, irrigation practice, shading, etc 479 j '' aq ro 69 73 



Poison — 



bait for cutworms and grasshoppers, formulas 479 74, 75 



baits, use for control or rodents 479 77-79 



JPolyporus spp. , cause of slash rot in Arkansas 496 4, 7, 8 



Polystictus spp., cause of slash rot in Arkansas forests 496 4, 7, 8 



Poplar, tulip, honev plant, value and occurrence in North 



Carolina 489 11 



Pork, production per 100 pounds of corn 448 10 



Porters, American, analyses 493 7 



Porthetria dispar. See Gipsy moth. 

 Porto Rico — 



fruit trade with United States, 1910, 1915 483 7 



fruits, exports 483 12 



Portugal, fruits, exports and imports, 1909-1913 483 35 



■" Power unit, " use of term 482 9 



Prices — 



beeswax 489 8 



cotton, North Carolina markets 476 7-9 



honey, North Carolina 489 8 



strawberries, at various markets, 1915, and qualities 477 13-18 



■"Productive labor," use of term 482 11 



Propolis, nature, note 489 9 



Prunes, production, 1909 483 2, 4 



Pruning — 



apple trees, labor costs in Western Colorado 500 16-17 



root, forest seedlings 479 44-45. 52 



Pseudoeoccus calceolariae, injury to sugar cane 486 31 



Publications, gipsy-moth, tree controlling, tree-planting, lists. 484 51-54 



"Pulling" brush, use of term 496 2 



Pumping — 



plant, irrigation system, designing, horsepower require- 

 ment, etc 495 32 



plants, for spray irrigation, description, and use methods. 495 6-12 



Pumpkins, destruction by melon fly, Hawaii 491 10-13 



Pumps, spray irrigation, types, description, and capacity 495 25-29 



