Effects of three tillage systems combined with different compaction and mulching treatments [also include reduced tillage]

aradura avenas avoine barley cebada cero-labranza cobertura vegetal compactage du sol crop yield drilling harrowing hersage labour malezas mauvaise herbe mulching oats orge paillage ploughing rastreo rendement des cultures rendimiento de cultivos soil compaction soil temperature soil thermal regimes temperatura del suelo trigo de invierno weeds winter wheat zero tillage