12 



DEPAKTMENT OF AGRICULTURE BULS. 951-975, 



Bulletin 



No. Page. 



Pathological Division, temperature-control system for laboratories. . 951-^ -,. -T^ 



Peanuts — 



growing on Louisiana hill farms, labor requirements 961 4, 19-20 



shelled, food-value comparisons, chart 975 26 



Peas, canning, temperature changes 956 21-24 



Peden, F. T^, F. W. Farley, and R. S. Curtis, bulletin on "Win- 

 tering and summer fattening of steers in North Carolina " 954 1-18 



Pest, household, Argentine ant 965 4 



Philadelphia, milk trade, by months 973 42 



Phosphorus, sources in foods, notes and charts 975-1 , , _„^ 



Pie, apple, food-v^alue comparisons, chart 975 11, 36 



Pine, white, blister-rust investigations, bulletin by Perley Spauld- 



ing 957 1-100 



See also Rust, white-pine blister. 

 Pines — 



{Q9_QO 84 

 " 00_0Q 



inoculation with blister rust, experiments and results 957 12-14 



list of kinds infected with blister rust 957 11-24 



location for planting to avoid blister rust 957 86 



f 3-14, 



susceptibility to blister rust. 957{ 24^0, 



[ 68,72,75 



treatment for blister-rust control 957 88-89 



Pinus — 



cemhra, original host of Cronartvum nbicola 957 3, 4, 5, 6 



spp., hosts of blister rust, and natural infection 957 3-6, 11-12 



Pittsburgh, milk trade, by months 973 42 



Plank, H. K., and E. H. Siegler, bulletin on "Exepriments and 



suggestions for the control of codling moth in Grand A'^alley, Colo." 959 1-38 

 Plowing — 



beet farming, practices 963 28-30 



cotton lands, labor requirements 961 6-10 



Poison, sirup, for control of ants, formulas and use 965 20-41 



Poisoning, sheep, by Maxican whorled milkweed, symptoms 969 7-9, 16 



Poisons, use against Argentine ant in citrus orchards 965 15-27 



Pollinating, Easter lilies, directions 962 4 



Pollination, blueberry, requirements 974 17 



Pomace — 

 grape — 



handling and utilization, cost and profits 952 19-22 



utilization 952 6-20 



See also Grape pomace. 



picker, description and use 952 8 



Pork, fat salt, food-value comparisons, chart 975 10, 34 



Potato — 



Charles Downing, stolons and tubers, studies 958 17-20, 23 



Irish cobbler, tuber formation 958 2 



r 5-6, 



Rural New Yorker, tubers growth and yield, studies 958^ 12-15, 



[ 22, 23, 24 



tubers, development, bulletin by Charles F. Clark 958 1-27 



Potatoes — 



change in composition during growth 958 3 



food-value comparisons, chart 975 5, 6, 11-12 



growing, investigations, and literattu"e 958 1-4, 27 



growth after frost 958 3-4 



nutritive substances, distribution in tuber 958 3 



tuber production — 



relation to seed piece and variety 958 20-23 



relation to soil type and irrigation 958 23-25 



variety, relation to tuber production, studies 958 21-23 



yield, relation to size and kind of seed piece 958 20-21 



