Soil Fertility, Soil Exhaustion, and Their Historical...

Quarterly Journal of Economics 1923 / 05 Vol. 37; Iss. 3

Soil Fertility, Soil Exhaustion, and Their Historical Significance

Abbott Payson Usher
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Volume:
37
Language:
english
Journal:
The Quarterly Journal of Economics
DOI:
10.2307/1883847
Date:
May, 1923
File:
PDF, 516 KB
english, 1923
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