Use of catch crops in systems with conservation soil tillage

catch crops cero-labranza conventional tillage crop yield cultivos de invierno cultivos de primavera cultivos intermedios culture d'hiver culture de printemps direct sowing glycine max hordeum vulgare irrigation labranza convencional phacelia tanacetifolia raphanus sativus rendement des cultures rendimiento de cultivos riego semis direct siembra directa sinapis alba spring crops travail du sol conventionnel triticum aestivum winter crops zero tillage