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Browsing named entities in The Daily Dispatch: November 2, 1860., [Electronic resource]. You can also browse the collection for Robert Anderson or search for Robert Anderson in all documents.
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The Daily Dispatch: November 2, 1860., [Electronic resource], Manures purchased annually in England . (search)
Manures purchased annually in England.
--Prof. Anderson gives the following estimate of the amount expended annually by the farmers of Great Britain for artificial manures:
Guano$12,500,000
Nitrate of Soda1,125,000
Bones1,200,000
Super phosphates2,100,000
Coprolites1,875,000
Sulphate of Ammonia750,000
Other Articles500,000
Total$20,950,000
This expenditure, coupled with improved methods of tillage, accounts for the fact that the average product of wheat in England has been raised from 8 or 9 bushels to nearly 30 bushels per acre.
The Daily Dispatch: November 2, 1860., [Electronic resource], Financial affairs. (search)