Listar por autoría "3eaa09a0-5ba7-4585-b579-b5fa39a662bb"

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    • openAccess   Embodied energy in agricultural inputs. Incorporating a historical perspective 

      Aguilera, Eduardo; Guzmán Casado, Gloria; Infante Amate, Juan; Soto Fernández, David; García Ruiz, Roberto; Herrera González de Molina, Antonio; Villa, Inmaculada; Torremocha, Eva; Carranza, Guiomar; González de Molina, Manuel Sociedad Española de Historia Agraria (2015-11)
      Este documento de trabajo analiza la energía asociada a los inputs agrarios en perspectiva histórica. El estudio se basa en una amplia revisión bibliográfica, que se ha complementado con estimaciones propias para crear una ...

    • openAccess   Guideline for constructing nutrient balance in historical agricultural systems (and its application to three case-studies in southern Spain) 

      González de Molina, Manuel; García Ruiz, Roberto; Guzmán Casado, Gloria; Soto Fernández, David; Infante Amate, Juan Sociedad Española de Historia Agraria (2010-09-07)
      The purpose of this paper is to provide interested researchers with a simple tool to evaluate the efficacy of different methods of fertility replenishment that have accompanied and made possible the contemporary agriculture. ...

    • openAccess   Methodology and conversion factors to estimate the net primary productivity of historical and contemporary agroecosystems 

      Guzmán Casado, Gloria; Aguilera, Eduardo; Soto Fernández, David; Cid, Antonio; Infante Amate, Juan; García Ruiz, Roberto; Herrera González de Molina, Antonio; Villa, Inmaculada; González de Molina, Manuel Sociedad Española de Historia Agraria (2014-05)
      This methodological manual provides basic information to estimate the net primary productivity (NPP) of historical and contemporary cropland, in terms of fresh and dry matter, and gross energy. The methodology and the ...