Effect of ground covers and tillage between raspberry rows on selected soil physical and chemical parameters and crop response

arable soils azote carbon carbone carbono chimie du sol cover plants crop yield crops cultivos densidad densidad del suelo density festuca ovina ground cover plants hordeum vulgare horticultural soils labranza lolium perenne nitrogen organic carbon organic compounds organic matter plantas de cobertura plante de couverture plante de culture rendement des cultures rendimiento de cultivos rubus idaeus soil soil chemicophysical properties soil chemistry soil density soil physical properties soil structural units sol sol arable sol horticole suelo suelos cultivables tillage travail du sol trifolium repens unidades estructurales de suelos