OliveCan: A process-based model of development, growth and yield of olive orchards

Álvaro López-Bernal, Alejandro Morales, Omar García-Tejera, Luca Testi*, Francisco Orgaz, J.P. De Melo-Abreu, Francisco J. Villalobos

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

12 Citations (Scopus)


Several simulation models of the olive crop have been formulated so far, but none of them is capable of analyzing the impact of environmental conditions and management practices on water relations, growth and productivity under both well-irrigated and water-limiting irrigation strategies. This paper presents and tests OliveCan, a process-oriented model conceived for those purposes. In short, OliveCan is composed of three main model components simulating the principal elements of the water and carbon balances of olive orchards and the impacts of some management operations. To assess its predictive power, OliveCan was tested against independent data collected in two 3-year field experiments conducted in Córdoba, Spain, each of them applying different irrigation treatments. An acceptable level of agreement was found between measured and simulated values of seasonal evapotranspiration (ET, range 393 to 1016 mm year−1; RMSE of 89 mm year−1), daily transpiration (Ep, range 0.14–3.63 mm d−1; RMSE of 0.32 mm d−1) and oil yield (Yoil, range 13–357 g m−2; RMSE of 63 g m−2). Finally, knowledge gaps identified during the formulation of the model and further testing needs are discussed, highlighting that there is additional room for improving its robustness. It is concluded that OliveCan has a strong potential as a simulation platform for a variety of research applications.
Original languageEnglish
Article number632
JournalFrontiers in Plant Science
Publication statusPublished - 9 May 2018


  • Carbon assimilation
  • Crop model
  • Olea europaea L.
  • SPAC model
  • Water stress
  • Water uptake

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