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  1. Cover Image

    La muesra de suelos by Rojas Escobar, Leyla Amparo

    Published 2018
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  2. Cover Image

    Contenido de la humedad by Rojas Escobar, Leyla Amparo

    Published 2018
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  3. Cover Image

    Acidez del suelo by Gonzalez Luna, Gloria Inés, Rojas Escobar, Leyla Amparo

    Published 2018
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  4. Cover Image

    Determinaciòn de amonio, nitratos y nitritos intercambiables by Castillo Pinzón, Luis Ernesto, Rojas Escobar, Leyla Amparo

    Published 2018
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  5. Cover Image

    Determinación de fósforo en el suelo by Amézquita Collazos, Edgar, Rojas Escobar, Leyla Amparo

    Published 2018
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  6. Cover Image

    Determinación de los micronutrimentos cobre, hierro, manganeso, zinc, boro, molibdeno y selenio disponibles by Rojas Escobar, Leyla Amparo

    Published 2018
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  7. Cover Image

    Determinación de azúfre disponible by Rojas Escobar, Leyla Amparo

    Published 2018
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  8. Cover Image

    Análisis de plantas by Lora Silva, Rodrigo, Rojas Escobar, Leyla Amparo

    Published 2018
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  9. Cover Image

    Servicio de análisis mineralógico de suelos y de otros minerales by Rojas Escobar, Leyla Amparo

    Published 1991
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