Browsing University of Hertfordshire by Author "Duval, R."

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    • The yield gap in some beet producing countries 

      Jaggard, K. W.; Koch, H-J; Sanz, J. M. Arroyo; Cattanach, A.; Duval, R.; Eigner, H.; Legrand, G.; Olsson, R.; Qi, Aiming; Thomsen, J. N.; Van Swaaji, N; Minerva, N. (2012)
      The efficiency of an arable crop production system can be expressed as the yield gap, defining the difference between the potential and the actual yield; the larger the gap the less efficient the system. One way to assess ...

    • The yield gap in some sugar beet producing countries 

      Jaggard, K. W.; Koch, H-J; Sanz, J. M. Arroyo; Cattanach, A.; Duval, R.; Eigner, H.; Legrand, G.; Olsson, R.; Qi, Aiming; Thomsen, J. N.; Van Swaaij, N.; Minerva, N. (2012-07)
      The efficiency of an arable crop production system can be expressed as the yield gap, the difference between the potential yield and the actual yield. The larger the gap, the less efficient the system. One way to assess ...