14 DEPARTMENT BULLETINS NOS. 476-500. 



Bulletin 



Oats— >* T o. 1'age. 



growing, labor and power units required 482 10- 1 1 



production in bluegra8s region, 1840-1910, by decades .. . 482 (i 



spring, growing at Moro, eastern Oregon, tests of varieties. . 498 26-31 



Oceanica, fruits, production, imports and exports 483 39-40 



Ohio- 

 apple growing, production and varieties 485 6-7. 18, 45-47 



strawberry shipments in 1915 477 30 



Oil, olive, production. 1915 483 4 



Oklahoma, apple growing, extent and varieties 485 31.45-47 



Olive- 

 industry, in Italy 483 25 



oil, production, 1915 483 4 



Olives — 



production, 1915 483 4 



Spain, production, 1909-1914 483 33 



Orange trees, mottle-leaf disease, nature and causes 499 1-2 



Oranges, injury by melon fly, Hawaii 491 16 



Orchard — 



citrus, mulched-basin irrigation, and relation to mottle- 

 leaf, bulletin by Lyman J. Briggs, C. A.Jensen, and 



J. W. MeLane..' 499 1-31 



f 2-9.14-23, 



97—98 30—31 



crops, production and trade, by countries 483 < ~ X 9 ' o fi q 7 ' 



39-40 

 fruits — 



crop of 1909 483 2 



Uruguay, acreage and production 483 14-15 



Orchards- 

 apple — 



distribution, 1910 485 12-14 



investments and interest in Western Colorado 500 11 



management in western Colorado 500 14-33 



manuring, pruning, and cultivation, western 



Colorado 500 15-22 



western Colorado, location, size, age, etc 500 12-1 4 



relation to farm organization in apple districts of Colorado. 500 8-12 

 Oregon — 



apple growing, extent and varieties 485 36-38, 45-47 



eastern, climatic data 498 5-11 



forest nursery, practices 479 49, 69. 75 



Moro dry-land experiment station, soil, climate, methods, 



etc..." 498 1-14 



spring cereals, experiments at Eastern Drv-farming Sub- 

 station at Moro, bulletin by David E. Stephens 498 1-38 



strawberry shipments in 1915, magnitude ana destination. 477 21-26,30 

 Oxydendrum arboreitm, honev plant, A'alue and occurrence in 



North Carolina .' 489 11 



Ozarks, strawberrv shipments in 1915, magnitude and desti- 

 nation '. 477 21-26, 31 



Packing — 



apples for market, Colorado, practices and cost 500 37-38 



forest seedlings 479 65-68 



Page Creek Nursery, Oregon, practices 479 49, 69, 75 



Papaya, injury by melon fly, Hawaii 491 16 



Paraguav, fruits, production, exports and imports 183 1 4-15 



Parasites, melon fly I'll 45-47 



Park spraying, for gipsy and brown-tail moths, management. . 480 12-13 



Passiflora fruit, injury by melon fly, Hawaii I'M 15-16 



Past urc. alfalfa, returns from carrying hogs ! 188 6-7, 10-16, 18-19 



Peach, injury by melon fly, Hawaii 491 16 



Peaches, producl ion, 1909 483 2. 3-4 



Pears, production, L909 483 2,4 



Pemberton, C. E., and E. A. Hack, bulletin on "The melon 



fly in Hawaii •■ 491 1-64 



