 | Thomas Robert Malthus - 1895 - 164 стор.
...support the increase from the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...melioration of the land already in possession. This is a stream, which, from the nature of all soils, instead of increasing, must be gradually diminishing.... | |
 | Charles Franklin Dunbar, Frank William Taussig, Abbott Payson Usher, Alvin Harvey Hansen, William Leonard Crum, Edward Chamberlin, Arthur Eli Monroe - 1895 - 502 стор.
...could yearly be made to the former average produce, must be gradually and regularly diminishing, t When acre has been added to acre, till all the fertile...increase of food must depend upon the melioration of land already in possession. This is a stream, which, from the nature of all soils, instead of increasing,... | |
 | Charles Franklin Dunbar, Frank William Taussig, Abbott Payson Usher, Alvin Harvey Hansen, William Leonard Crum, Edward Chamberlin, Arthur Eli Monroe - 1895 - 534 стор.
...could yearly be made to the former average produce, must be gradually and regularly diminishing. t When acre has been added to acre, till all the fertile...increase of food must depend upon the melioration of land already in possession. This is a stream, which, from the nature of all soils, instead of increasing,... | |
 | John Clark Ridpath - 1898 - 554 стор.
...support the increase of the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...the melioration of the land already in possession. But population — could it be supplied with food — would go on with unexhaustible vigor; and the... | |
 | David Josiah Brewer - 1900 - 468 стор.
...support the increase from the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...occupied, the yearly increase of food must depend upon the amelioration of the land already in possession. This is a fund, which, from the nature of all soils,... | |
 | David Josiah Brewer - 1902 - 450 стор.
...support the increase from the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...occupied, the yearly increase of food must depend upon the amelioration of the land already in possession. This is a fund, which, from the nature of all soils,... | |
 | John Clark Ridpath - 1903 - 544 стор.
...support the increase of the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...the melioration of the land already in possession. But population — could it be supplied with food — would go on with unexhaustible vigor ; and the... | |
 | Edwin Cannan - 1903 - 458 стор.
...every year. But the sooner, undoubtedly, will the reservoir be exhausted, and the streams only remain. When acre has been added to acre till all the fertile land is occupied, the yearly increase of food will depend upon the amelioration of the land already in possession ; and even this moderate stream... | |
 | Oliver Joseph Thatcher - 1907 - 506 стор.
...support the increase from the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...melioration of the land already in possession. This is a stream, which, from the nature of all soils, instead of increasing, must be gradually diminishing.... | |
 | Edmund J. Burke - 1913 - 508 стор.
...support the increase from the greater number will by no means be obtained with the same facility. Man is necessarily confined in room. When acre has been...melioration of the land already in possession. This is a stream which, from the nature of all soils, instead of increasing, must be gradually diminishing. But... | |
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When acre has been added to acre till all the fertile land is occupied, the yearly increase of food must depend upon the melioration of the land already in possession. This is a stream, which, from the nature of all soils, instead of increasing, must... 
