Período crítico de competencia del polocote (Helianthus annuus l.) en sorgo para grano
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| Other Authors: | , |
| Format: | eBook |
| Language: | Spanish |
| Published: |
Texcoco, México :
Colegio de Postgraduados,
2005.
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| Online Access: | https://elibro.net/ereader/uninicaragua/19116 |