Department of Agriculture Division of Botany CONTRIBUTIONS FROM THE U. NATIONAL HERBARIUM Vol. III--No. 2 Issued June 10, 1894 Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora. by John M. Coulter. Published by Authority of the Secretary of Agriculture Washington Government Printing Office 1894 LETTER OF TRANSMITTAL U. Department of Agriculture Division of Botany Washington, D.英文原著 · 《The North American Species of》
The low price of corn, caused by improvements in agriculture, would give a stimulus to population, by increasing profits and encouraging accumulation, which would again raise the price of corn and lower profits. But a larger population could be maintained at the same price of corn, the same profits, and the same rents. Improvements in agriculture may then be said to increase profits, and to lower for a time rents.英文原著 · 《An Essay on Profits》
By noble toil , not by shallow laughter and vain talk, they made this English Existence from a savage forest into an arable inhabitable field for us; and we, idly dreaming it would grow spontaneous crops forever,--find it now in a too questionable state; peremptorily requiring real labor and agriculture again. Real "agriculture" is not pleasant; much pleasanter to reap and winnow (with ballot-box or otherwise) than to plough!英文原著 · 《Latter-Day Pamphlets》
Nevertheless, certain dates or short periods seem to be flowering times. Apparently all at once a flood of invention, a change of methods, a difference in organization, or a new psychology manifests itself. And the decade of the Civil War does serve as a landmark to mark the passing of one period in American life and the beginning of another; especially in agriculture; and as agriculture is the basic industry of the country it follows that with its mutations the whole superstructure is also changed.英文原著 · 《The Age of Invention》
The story of the reaper is told in: Herbert N. Casson, "Cyrus Hall McCormick; His Life and Work" (1909), and "The Romance of the Reaper" (1908), and Merritt F. Miller, "Evolution of Reaping Machines" (1902), U. Experiment Stations Office, Bulletin 103. Other farm inventions are covered in: William Macdonald, "Makers of Modern Agriculture" (1913); Emile Guarini, "The Use of Electric Power in Plowing" in The "Electrical Review", vol. XLIII; A. Yerkes, "The Gas Tractor in Eastern Farming" (1918), U. Department of Agriculture, Farmer's Bulletin 1004; and Herbert N.英文原著 · 《The Age of Invention》
You'd had enough excitement in one lifetime-- The dawn of flight, printed books, agriculture.美剧 · 《Modern Family》
Do you have a lot of land for farming and agriculture?美剧 · 《Shameless》