Crops and Boundaries: Manioc at its Meridional Limits in South America
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CONTRIBUTORS:
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JOURNAL:
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Revista Geográfica (Pan American Institute of Geography and History),
--(133),
103 -
126.
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YEAR:
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2003
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PUB TYPE:
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Journal Article
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SUBJECT(S):
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Manioc (Manihot esculenta); Brazil; Uruguay; Argentina;
Boundaries
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DISCIPLINE:
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Geography
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HTTP:
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LANGUAGE:
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English
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PUB ID:
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103-386-482
(Last edited on
2005/01/03 14:40:49 US/Mountain)
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SPONSOR(S):
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ABSTRACT:
Two border zones and two boundaries characterize the spatial edges of manioc in Brazil, Uruguay and Argentina. Production data, biophysical factors, cultural influences and agronomic understandings are brought togeteher to set the southern reach of this cultivated plant at 31°48' S. The southward thrust of Brazilian and Guarani cultural influences and the increasing daylength which atrophies manioc root development are two major factors to explain the borders. However, future genetic advances could push those limits beyond those now in place.
(Español)Dos zonas y dos límites configuran la frontera espacial del cultivo de yuca o mandioca (Manihot esculenta) en Brasil, Uruguay y Argentina. Rendimientos, factores del medio ambiente, influencias culturales y conocimientos agronómicos se reúnen para fijar el alcance meridional hasta 31°48'. Al explicar la distribución de yuca se destacan las trajectorías culturales brasileña y guaraní hacia el sur y el fotoperíodo de días mas largos que influye en forma negativa el desarrollo de la raíz haciendo inútil su cultivo.
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