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From single-plane profiles to root length density in space. Validation of a model in the field

Chopart Jean-Louis, Siband Pierre-Lucien, Dingkuhn Michaël, Roveda Gabriel, Baquero José. 2001. From single-plane profiles to root length density in space. Validation of a model in the field. In : 6th Symposium of the International Society of Root Research, November 11-15, 2001, Nagoya, Japan. JSRR; ISRR. Montpellier : CIRAD, 1p. Symposium of the International Society of Root Research. 6, Nagoya, Japon, 11 November 2001/15 November 2001.

Poster
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Autre titre : Des profils sur un seul plan à la densité de longueur racinaire dans l'espace. Validation d'un modèle en champ

Abstract : A model estimating root length density of maize from root impacts on a profile, previously developed, was validated in Africa and Columbia using unchanged coefficients but independent data. The model uses geometric rules as well as empirical determinants of root distribution. The results suggest that the model is sufficiently robust to be used for rapid estimations of RLD distribution in the field. (Résumé d'auteur)

Mots-clés Agrovoc : Zea mays, Système racinaire, Modèle de simulation

Mots-clés géographiques Agrovoc : Côte d'Ivoire, Burkina Faso, Colombie

Mots-clés complémentaires : Densité des racines

Classification Agris : F50 - Plant structure
U10 - Mathematical and statistical methods

Auteurs et affiliations

  • Chopart Jean-Louis, CIRAD-AMIS-AGRONOMIE (REU)
  • Siband Pierre-Lucien, CIRAD-AMIS-AGRONOMIE (PHL)
  • Dingkuhn Michaël, CIRAD-AMIS-AGRONOMIE (FRA)
  • Roveda Gabriel, CORPOICA (COL)
  • Baquero José, CORPOICA (COL)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/508409/)

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