File:Prueba de presencia de materia orgánica.jpg
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Mujeres del grupo de Autoahorros y Préstamos (GAAP) “Flores del Futuro” muestran los resultados de una prueba de presencia de materia orgánica. Recogieron tres muestras de suelo y luego las empaparon con agua oxigenada. Si hay mucha materia orgánica en el suelo el agua oxigenada genera mucha espuma.
| Date created | September 20, 2022 |
|---|---|
| Author | Catholic Relief Services |
| License | CC-BY-SA-4.0 |
| Date uploaded | September 23, 2026 |
| Uploader | Helen Garcia |
| Source | Own work |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:07, 23 September 2026 | | 8,227 × 5,197 (8.44 MB) | Hgarcia (talk | contribs) | Uploaded own work with UploadWizard |
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