Adaptación de cuatro variedades de ajo (Allium sativum l.) con tres niveles de abono orgánico en el cantón La Maná 2013
In Ecuador, as in other countries of the world, the problems caused by pollution from the use of fertilizers which are produced by chemical industries which have been finishing off the fertility of the soil and also affect the healthof farmers, for this reason the need of the research in the short-c...
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| 主要作者: | |
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| 格式: | bachelorThesis |
| 语言: | spa |
| 出版: |
2014
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| 主题: | |
| 在线阅读: | http://repositorio.utc.edu.ec/handle/27000/3530 |
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