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| Sánchez T, Jaiver D, Ligarreto M, Gustavo A and Leiva, Fabio R Spatial variability of soil chemical properties and its effect on crop yields: a case study in maize (Zea mays L.) on the Bogota Plateau. Agron. colomb., June 2011, vol.29, no.2, p.456-466. ISSN 0120-9965
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