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" Since calculations have been made on the progress of agriculture in the different zones, and the temperatures under the influence of which corn will flourish, it has been found, that, beyond the latitude of 45° the produce of wheat is no where so considerable,... "
The Journal [afterw.] The Madras journal of literature and science, ed. by J ... - Page 297
by Madras literary society - 1837
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Personal Narrative of Travels to the Equinoctial Regions of the ..., Volume 4

Alexander von Humboldt, Aimé Bonpland - Natural history - 1819 - 590 pages
...the produce were but moderate, I was asked, whether corn produced more in Prussia and in Poland. 109 It is an error that generally prevails under the tropics,...of Africa, and on the table-lands of New Grenada, Penij and Mexico. Without comparing the mean temperature of the whole year, but only the mean temperature...
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The Quarterly review, Volume 21

1819 - 596 pages
...Baron is not much of an agriculturist, and we are inclined to doubt the accuracy of the statement, ' that beyond the latitude of 45°, the produce of wheat...considerable as on the northern coasts of Africa and the table-lands of New Grenada, Peru, and Mexico.' If it be meant by merely turning over the soil to...
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The Quarterly Review, Volume 21

William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray (IV), Rowland Edmund Prothero (Baron Ernle) - English literature - 1819 - 592 pages
...Baron is not much of an agriculturist, and we are inclined to doubt the accuracy of the statement, ' that beyond the latitude of 45°, the produce of wheat...considerable as on the northern coasts of Africa and the table-lands of New Grenada, Peru, and Mexico.' If it be meant by merely turning over the soil to...
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Letters from North America: Written During a Tour in the United States and ...

Adam Hodgson - Canada - 1824 - 492 pages
...agriculture in the different zones, and the temperature under the influence of which corn will nourish ; it has been found, that, beyond the latitude of 45",...Mexico. Without comparing the mean temperature of the season, which embraces the cycle of vegetation of corn, we find, for three months of summer in the...
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Personal Narrative of Travels to the Equinoctial Regions of ..., Volume 1

Alexander von Humboldt, Aimé Bonpland - Natural history - 1852 - 536 pages
...will flourish, it has been found that, beyond the latitude of 45°, the produce of wheat is nowhere so considerable as on the northern coasts of Africa,...mean temperature of the season which embraces the corn cycle of vegetation, we find for three months of summer,t in the north of Europe, from 15° to...
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Personal Narrative of Travels to the Equinoctial Regions of ..., Volume 1

Alexander von Humboldt, Aimé Bonpland - Natural history - 1852 - 544 pages
...climates. Since calculations have been made on the progress of agriculture in the different zones, and on the temperatures under the influence of which corn...beyond the latitude of 45°, the produce of wheat is nowhere so considerable as on the northern coasts of Africa, and on the table-lands of New Grenada,...
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Essays on Agriculture

Thomas Gisborne - Agriculture - 1854 - 666 pages
...towards the Equator ; ' and to believe that the harvests are more abundant in the northern ' climet. Since calculations have been made on the progress...' as on the northern coasts of Africa, and on the table lands of New ' Grenada, Peru, and Mexico. Without comparing the mean • temperature of the whole...
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The emigrant's vade-mecum or guide to the 'Price grant' in Venezuelan ...

Margaret Amanda Pattison - Land grants - 1868 - 178 pages
...calculations have been made on the progress of agriculture ki the different zones, and the temperature under which corn will flourish, it has been found that,...beyond the latitude of 45°, the produce of wheat is nowhere so considerable as on the table lands of South America. The fine harvests of Egypt and Algiers,...
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