Undersowing wheat with different living mulches in a no-till system. II. Competition for light and nitrogen Matthieu Carof, Stéphane de Tourdonnet, Patrick Saulas, Dominique Le Floch and Jean Roger-EstradeAgron. Sustain. Dev., 27 4 (2007) 357-365DOI: https://doi.org/10.1051/agro:2007017