| Charles Brockden Brown - 1804 - 740 halaman
...depend upon the amelioration of the land already in possession. " This is a stream," says Mr. M. " which, from the nature of all soils, instead of increasing,...population, could it be supplied with food, would go with unexhausted vigour, and the increase of one period would furnish the powers of a greater increase... | |
| Thomas Robert Malthus - 1809 - 576 halaman
...be supposed to increase, it will not be so easy to determine. Of this, however, tve may be perfectly certain, that the ratio of their increase must be...all soils, instead 'of increasing, must be gradually di. minishing. But population, could it be supplied with food, would go on with Unexhausted vigor;... | |
| Thomas Robert Malthus - 1809 - 576 halaman
...confined in room. When acre has been add, ed to acre, till all the fertile land is occupied, the i yearly increase of food must depend upon the melioration...all soils, instead of increasing, must be gradually dimjnishing. But population, could it be supplied with food, would go on with unexhausted vigor ; and... | |
| 1811 - 550 halaman
..." that a thousand million* are just as easily doubled EVERY tatentyjive years as a thousand," and " population, could it be supplied with food, would go on with unexhausted vigour; and the increase of one period would furnish the power oj a greater increase the next, and... | |
| John Weyland - 1816 - 556 halaman
..." that a thousand millions are just as easily doubled EVERY twenty-five years as a thousand," and " population, could it be supplied with food, would go on with unexhausted vigour ; and the increase of one period would furnish the power of a greater increase the next, and... | |
| Thomas Robert Malthus - 1817 - 524 halaman
...This is a fund, which, from the nature of all soils, 10 Statement of the Subject. Ratios of Bk. i. soils, instead of increasing, must be gradually diminishing....be supplied with food, would go on with unexhausted vigour; and the increase of one period would furnish the power of a greater increase the next, and... | |
| Robert Gourlay - 1822 - 558 halaman
...thelevel of subsistence," — that "when unchecked," it may " increase in a geometrical ratio/' that " population, could it be supplied with food, would go on with unexhausted vigour;" and that " the inr crease of one period would furnish a greater increase to the next, and... | |
| 1827 - 516 halaman
...unchecked, goes on doubling itself every twentyfive years,' and farther in the same paragraph, that ' population, could it be supplied with food, would go on with unexhausted vigor,' he declares five or six pages later, that population does not proceed with unexhausted vigor, but that... | |
| John Rooke - 1835 - 336 halaman
...till all the fertile land is occupied, the yearly increase of food must depend upon the amelioration of the land already in possession. This is a stream,...instead of increasing, must be gradually diminishing." British population having multiplied, since the year 1765, in the ratio of eight and sixteen millions,... | |
| Sir George Kettilby Rickards - 1854 - 284 halaman
...increase of food must depend upon the melioration of the land already in possession. This is a fund which, from the nature of all soils, instead of increasing,...be supplied with food, would go on with unexhausted vigour; and the increase of one period would furnish the power of a greater increase the next, and... | |
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