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    • Spatial distribution of the exchangeable base ratios in the soils of the R.U.T. irrigation district 

      López Martínez, Carlos José; Echeverri Sanchez, Andrés; Menjivar Flores, Juan Carlos
      One of the more important agricultural production centers in Colombia is the R.U.T. Irrigation District, located in the Valle de Cauca. This study evaluated the spatial distribution of ratios of Ca2+, Mg2+, Na+ and K+, ...
      Universidad Nacional de Colombia Revistas electrónicas UN Revista Facultad Nacional de Agronomía Medellín.