" 
INDEX. 17 
Bulletin 
No. Page. 
Paspalum spp., description, distribution, and uses.........-.--.. 7 724 oe bog 
Pasturage, irrigated field crops, utilization for hogs, bulletin by 
Ea ee cera hate SCC CO RaNE NERA, ne 752 1-37, 
Pasture— sacha : ‘ 
fe ns spractice.im (Californias .20¢ 2. i. 2 ee 760 45-46 
praren Classinication —.. .~'.. IoI RSs 20 AON BOO, Qaue sok 772 4 
Pasturing— ! 
hogs on alfalfa with and without supplementary feeds. ...--.-- 7 524 poe 
sweet clover, by hogs, results on irrigated lands............... 752° 24-95, 36 
Peanut oil, production— 
imports PEE NES59 OO a Fe RS ZS Sy a oe 769 3, 4,5 
1912-1917, pressing methods, price, USCSMCEC ae eta wl See 769 17-19 
Peas, hogging-off on irrigated land, results in pork production.....- 7524 eae 
Pecan— . 
orchards, rosette prevention and control ..-.....--....-----.-- 756 9-10 
root system, relation to rosette.....-....- 2 ERE STE east SITE Se 756 7-9 
rosette, relation to soil deficiencies, bulletin by S.M.McMurran 756 1-11 
PENNINGTON, M. E., and M. K. Jenxins, bulletin on ‘‘Commercial 2 
Presenvaiion qi eves by cold storage”... 2 2 ee 775 1-36 
Pennisetum spp., description, distribution, and uses..-.-.-...---.- i 724 autos 
34 
Pennsylvania, pulp-wood consumption, hauling distance, and imports 5 Shon 10, 
a 11, 13, 15 
Phalarideae, genera, key, and descriptions of grasses... ......--.--.- 7724 neces 4 
Phalaris spp., description, distribution, and uses....-...--. cate 7724 202 56 4 
Phippsia spp., description, distribution, and uses................. 772 15, 132 
; Re Lepdect a tape 14, 
Phleum spp., description, distribution, and uses............-.--.-- 7724 140-141 
Pholiurus spp., description, distribution, and uses.......---------- 772 105— ie 
Phraymites— 
communis, host of mealy plum aphis......................... 774 9,10, 16 
spp., description, distribution, and uses. ie 172 64 
PIERSON, A. H., and FRANKLIN HH. SMITH, bulletin on ‘Production 
_ of lumber, lath, and Sines min ody" 1: Cee Sees ee i 768 1-44 
Pigs, gains on alfalfa pasture supplemented with corn...........- 752 8-15 
ee emtn ine yi LINES. 21 ty Ss 2s tak Se 772 273-274 
Pine— 
lodgepole, luraber production and value, by States....--.-...- 768 35. 
sugar, lumber preduction and value, by States a) Oban 768 32,38, 41 
Western yellow, lumber production and value, by States. - (68 20,38, 40 
yellow, lumber production and value, by States.............. 768 16, 38, 39 
Planting, dates for various crops in North Dacor 200 eT we 757 25-26 
Pleuropo, on spp., description, distribution, and uses.............. 772 10, 36, 37 
Plow, gang, value, life, repair cost, and acreage worked............ 757 17,18 
Plowing— 
dates for various crops, North Dakota.............-.......... 757 25-26 
sugar-beet growing in California, prac tices and requirements. . 760 12-14 
Plum aphis, mealy— 
AIR LCARTIL OS hia Eto ta. 2 SE Biein,« Ja See So ooo ea eae Maer TE 774 15 
aaa Cty EIGN SRC SS Lee eat 774 14-15 
RELA IICUUA CLOG fain ee a ee cals MER ee eee ile 2 774 1-2 
life history and habits, bulletin by W. M. Davidson........-- 774 1-16 
SMITA COUSTEEOTIILOIR oo hid riser go 4, cena i* Be = cine 2nee 774 il 
Plume-grass, CREED INOU eee cpt eae ciel a ee ea oe Ton ak 772 258, 259 
mans, amiusy by mealy plum aphis..... i-- cee en eee enc emecy ete: 774 1, lo 
Poa spp., description, distribution, and use...................-.- 772 11, 38-46 
Poaceae, the grass family, general dtatdoter.ceee rie May Viol 772 5-6 
STL: MPa a ee Baie A dv sere ost be iene 772 6-7 
49009—2Z] 
