Presentación

• Main Author: Clavijo Porras Jairo F.
• Format: Article
• Language: English
• Published: Centro Editorial of Facultad de Ciencias Agrarias, Universidad Nacional de Colombia 1983-12-01
• Series: Agronomía Colombiana
• Online Access: http://www.revistas.unal.edu.co/index.php/agrocol/article/view/20788
• ISSN: 0120-9965

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