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| López Martínez, Carlos José, Echeverri, Andrés and Menjivar Flores, Juan Carlos Spatial distribution of the exchangeable base ratios in the soils of the R.U.T. irrigation district. Rev. Fac. Nac. Agron. Medellín, Jan 2017, vol.70, no.1, p.8077-8084. ISSN 0304-2847
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