Statistics of Production. 223 
Value of principal farm products of the United States. 
1859. 1879. 1889. 
Products. Per Per sats Per athe 
aoe Total value. | (anp, | Total value. | ane, Total value. 
= { 
Meats. ..-.+-+ 17.9 | $300,000,000 | 22.1 | $800,000,000 | 23.9 $900,000,000 
Corn 21.6 360,680,878 | 19.2 694,818,304 | 15.9 ) 597,918,829 
Hay... «+; 9.1 152,671,168 | 11.8 409,505,783 | 14 526,632,062 
Dairy products 14.4 240,400,580 | 10.8 891,131,618 | 11 411,976,522 
Wheat .. 7.6 124,635,545 | 12 436,968,463 9.1 342,491,707 
Cotton 12.6 211,516,625 7.5 271,636,121 aed 307,008,114 
Poultry. .....- 4.5 75,000,000 5 180,000,000 53 200,000,000 
Other products (a@)| 12.4 206,639,527 | 12.1 440,438,353 | 12.6 472,492,249 
Grand total. .|100 |$1,671,544,323 | 100 pate hi 100 | $3,758,519 483 
a ‘Other products"’ include barley, buckwheat, flax fiber, flaxseed, hemp, 
hops, Irish potatoes, leaf tobacco, maple sirup, maple sugar, oats, rice, rye, 
sorghum molasses, sweet potatoes, and wool. 
But it is not so much in the amount of dairy 
product manufactured as in the way the business is 
done that the dairy industry shows its most remarka- 
ble advances. Up to 1850 the whole dairy output 
was produced, manufactured, and marketed from in- 
dividual farms. Since then the introduction and 
wonderful growth of associated dairying, or the fac- 
tory system, has taken place, and this period has 
also witnessed the introduction of so many and so 
varied machines and utensils that the dairy practice 
of forty or even twenty years ago is entirely rev- 
olutionized in the methods of to-day. But while 
associated dairying has made rapid strides, both in 
butter and cheese making, it is only in cheese 
making that the factory system can be said to have 
at all supplanted private dairying. In 1890 only 
a little more than 7 per cent of all the cheese 
produced was made outside of factories; while in the 
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