Bl_l. 1199 
STJP. 
U. S. DZPT. OF AG-RICULTUBE 
_ 
e~:. uric ~. 
OS sprays — Continued. 
for leaf-roller. Idaho BuL 1:7 : Utah 
Bui. : 
tests, Wash. Bui. 197. 
Onita ':■ light ~~ ay ruildew , Mas?. Bui. 
227. 
ai a in iustry — 
Connecticut Valley, Mass. BuL 227. 
Iowa, Iowa Bui. 225. 
Onion thrips. Mass. BuL 227. 
Onions — 
culture. Iowa Bui. 2:2" 
fertilizers, Mass. Bui. 227. 
Ophiobolus cariceti, > Y. Cornell Mem. 55. 
Orange juice, antiscorbutic value, Calif. 
Hilgardia. V. l. No; 2. 
Orange pulp, for ruminants. Calif. Bui 
0: :.'.: : is — 
apple. I Bee Apple orchards. | 
crowding. Wash. Bui. 200. 
heating. Calif. Bui. I c 
iusects Mass Bui 226. 
spraying program, Ohio Bui. 393. 
thinning. Calif. Bui 414. 
winter injury. Mich. Spec. Bui. 149. 
See Use Fruit trees.) 
Orthoptera, inheritance and 
Kans. Tech. Bui. 17. 
Ox stomach, studies. N. I : Bui 196. 
Oyster shell scale — 
biology and morphology. N. Y. Cornell 
Mem. 93. 
parasite, N. T. Cornell Mem. 93. 
ysters — 
i: :Ul-g. >"• J. Bui. 443. 
shu iking, X. J. Bui. 415. 
utilization of food, N. J. Bui. 442. 
Palms, varieties. Fla. Bui 184. 
Later rualcl:. ez'ect : a soil. Calif. Hilgardia, 
V. 1. No. 15. 
Paper pulp and alfalfa, digestibility, >~. 
Hex. Bui. 153. 
Fa: ii iiLrtleazene. as soil fumigant. 
lif. Bui. 411. 
Paralysis. • See Fowl paralysis. I 
Paratyphoid dysentery, in sheep, Colo. Bui 
B02 
Pasteurization.. effect on cheese. 2s. T. State 
Bui. 534. 
Pasteurizing ecuiament. 'cacteria, >L Y. 
State Tech. Bui. 119. 
Pasture crops, Mich. Spec. Bui. 
Pastui es — 
Olaegrass. Pa. Bui. 195. 
:1a grass, insects, Ky. Bui. 
fertilizers. Mass. Bui. 230. 
for hogs, Ya. BuL 246 
management. Mo. Bui. 234 ; 
nell Meat. 104. 
Peach trees, fertilizers. Ark. Bui. 
Peaches — 
dry-mix spray, Ya. BuX 239. 
marketing. Ark. Bui. 207 
pectin, relation t: softening, Ma. 
283. 
150. 
.65. 
N*. 
Y. 
202 
Cor- 
Bi 
Peanut meal, for milk production, Ya. Fecb 
Bui. 25. 
Pear blight, resistant species, Oreg. BuL 
214. 
Peai leaf blister mite on apples, Utah Bui. 
197. 
Fear psylla — 
control. N. Y. State Bui. 529. 
dust and spray raisrures. 2v Y. State 
BuL 527. 
Pear shoots, conductive tissacs. Calif. Tech. 
Paper 20. 
Pear tissue, phloridziu in, Oreg. Bui. 215. 
Pears — 
core break-down. Oreg. BuL 216. 
species and stocks, characteristics, 
Oreg. Bui. 214. 
Peas — 
breeding. Wis. Res. Bui. 70. 
diseases. Wis. Res. Bui. 64. 
field. {See Field peas. > 
in high altitudes. Colo. Bui. 3 
inoculation. Wis. Bui. 372. 
varieties. N. Y. State BuL 532 : Wis. 
Bui. 352, 
Feat- 
experiment fields. Coon Creek, Zl:^:. 
Bui. 22 5. 
substitute for manure. R. I. Bui. 201 
Pecan nut case beaier. Tes, BuL 828. 
Pecan scab, Fla. Bui. 151. 
Pectus, culture. N. Mes. Bui. 145. 
Pectic acid, study. Mo. Res. BuL 77. 
Pectin — 
determination, Mo. Res. Bui. 77. 
relation to softening in peaches, Md. 
Bui. 253. 
Pennsylvania agricultural experiment sta- 
tion, report. 1925. 1926. Pa. BuL 196. 
204. 
Pentoses, utilization by yeasts. Mo. Res. 
Bui. 85. 
Peppermint, eulture, Mich. Spec BuL 153. 
Peppers, culture. 111. Bui. 274. 
Perennial canker of apple trees, Oreg. Bui. 
217. 
Pericarp, variegated, in maize, N. Y. C:r- 
nell Mem. 102. 
Peritliecia of Thielavia basieola^ Conn. State 
BuL 269. 
Peronospora schUideni, Mass. BuL 227. 
Ph-aseolus aconitifolius, Calif. BuL 396. 
Phloridzin, hydrolysis and estimation, Oreg. 
Bui. 215. 
Phorr.a Ungam 3 Pa. Bui. 199, 
Phosphate rock, use. N. Dak. BuL 105. 
Phosphates — 
effect on crops. Wis. Bui : " 
in calcareous end alkaline soils. Ariz. 
Tech. Bui. 10. 
Phc spkorus — 
carriers. Md. BuL 250 
economical use on cereals. R. I. BuL 
199. 
effect on tomatoes. N. H. Tech. BuL 2S. 
intake in children, Ohio Bui. ^ : 
