The agro-ecological dry boundary equation : re-definition and mobility of the dry boundary of non-irrigated agriculture in the central Great Plains of North America
Alternative title: | Die agro-ökologische Trockengrenze <engl.> |
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Year of publication: |
1986
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Authors: | Späth, Hans-Joachim |
Published in: |
Applied geography and development : a biannual collection of recent German contributions. - Tübingen : Inst., ISSN 0173-7619, ZDB-ID 136768-7. - Vol. 27.1986, p. 93-105
|
Subject: | USA | United States | Landwirtschaft | Agriculture |
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