"■20 INDEX. 



O. 



Oal.-;. I'l'ilili/.L'r.i i:n ,• , .i.'/J 



flic Excelsior, valui; aud succuaaol' 410 



WbiLc Sclioiirii 410 



Oiiic) Agriciiltiual anil I\I(jcliauit;ul V.<A\^<^v, ;57.') 



forest-culture and 1 iiiil)er-plauti ug in 500 



State Beard of Agriculture 498 



varieties of winter-ayple.s for Soutliern 504 



Oil, fish 43(1 



Oils, vegetable, and oil-cake, exports of 59 



Ouion blight and smut 19;> 



Onions iu Mas^^achiisetts 440 



Orange Couuty stud-booh, the 400 



Oranges in Southern (Jalifornia 441 



Orchards and their luauagement 480 



Oregon Agricultural College 375 



iiiachiuery iu 447 



flax and linseed-oil iu 451 



Osage crauge 478 



Oxen and other cattle, prices of .' 41 



P. 



Peach culture iu Vcrmout 441 



farm iu Maryland 441 



yello-^vs of the 195 



Peaches on the Delaware Peninsula 44 1 



Pear-tree blight 186 



the celebrated Occletree 4G3 



Peunsylvauia Agricultural College 375 



forests iu 51 



Plantation, a large, in Georgia 448 



Plant-food, assimilation of 461 



Plowing, deep -« 458 



Plows, gradual improvcineuts iu 283 



the first, in the Colonies 278 



Plum-trees the black-knot iu 175 



Poison-soils of Texas 142 



i^())>py, opium, the culture of 509 



J 'ork-packing iu the West Ill 



I 'otash in corn-cobs 43() 



Potato blight and rot 198 



experimeuts iu fScotland 45G 



starch factories iu Xe vs' Hampshire 446 



Potatoes 11 



different soils for dilfereut varieties of ^ 449 



large yield of , 449 



culture of, by the Plymouth Colony 280 



Ponltiy and eggs 443 



raising in Iowa 443 



Premiums, disproportionate 447 



Price, average, aud total value of each kind of live stock iu the United States, 



January, 1873 43 



average, per bushel, tScc., of the products of the United States in 1872 23 



])er bushel, &e.,by States, iu 1872 24 



Prices of farm auimals 38 



horses 39 



milch-cows 40 



mules 40 



oxeu and other cattle 41 



sheep 42 



swine 42 



Products, average cash value of, per acre, by States, in 1872 25 



average price of, per bushel , &c. , in the IJni ted States, iu 1872 23 



average yield of, per acre, aud isrice per bushel, &c., by States, in 1872. 24 



average yield and value of, per acre iu the United States, iu 1872 23 



iai'm , market-prices of, during 1872 82 



increase of, in Iowa 476 



