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Decline in pesticide use by Canadian farmers.
| Formato: | Texto |
|---|---|
| Lenguaje: | English |
| Publicado: |
1995
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1519095/ https://www.ncbi.nlm.nih.gov/pubmed/7607126 |