Des bilans de phosphore majoritairement négatifs pour les systèmes de grandes cultures biologiques sans élevage en Midi-Pyrénées.Quels impacts sur le phosphore biodisponible des sols et l’état de nutrition des cultures ?
@inproceedings{Colomb2013DesBD,
title={Des bilans de phosphore majoritairement n{\'e}gatifs pour les syst{\`e}mes de grandes cultures biologiques sans {\'e}levage en Midi-Pyr{\'e}n{\'e}es.Quels impacts sur le phosphore biodisponible des sols et l’{\'e}tat de nutrition des cultures ?},
author={B. Colomb and C. Jouany and L. Prieur},
year={2013}
}Soil phosphorus (P) fertility management in organic cropping systems is a debated issue in the general context of decreasing resources in a near future. A survey showed that in Midi-Pyrenees a majority of stockless organic cropping systems present overdrawn P balances. We investigated the impacts of P balances on the soil plant available P and nutrition status on the long-term field experiment of La Hourre (CREAB, Auch, France), which is representative of rainfed systems set on clayey… CONTINUE READING
