%0 Journal Article %T Cubiertas Vegetales en Producci¨®n Org¨¢nica de Frambuesa: Efectos sobre el Contenido de Nutrientes del Suelo y en el Crecimiento y Producci¨®n de las Plantas %A Ovalle M %A Carlos %A Gonz¨¢lez A %A Mar¨ªa In¨¦s %A del Pozo L %A Alejandro %A Hirzel C %A Juan %A Hernaiz %A Viviana %J Agricultura T¨¦cnica %D 2007 %I Scientific Electronic Library Online %R 10.4067/S0365-28072007000300006 %X a study of the evaluation and selection of cover crops to improve soil management in an organic orchard of raspberry (rubus idaeus l.) was carried out. the evaluated cover crops were: a mixture of subterranean clover (trifolium subterraneum l.) and balansa clover (t. michelianum savi), birdsfoot trefoil (lotus corniculatus l.), white clover (t. repens l.), fescue (festuca arundinacea schreb.), a mixture of white clover and fescue, and a control without vegetation. the trial was conducted in chill¨¢n, chile (36¡ã37£¿ s, 72¡ã00£¿ w), during two seasons. the experimental design was randomized blocks with four replicates. planting distance between raspberry rows was 3 m, and each experimental plot was 60 m2. covers that included white clover as a single species and white clover in mixture with tall fescue had the highest plant density (828 and 1788 plant m-2, in the second year, respectively), biomass (9.3 and 10.4 t dm ha-1 yr-1, in the second year, respectively) and specific contribution of the sown species (more than 90% contribution of sown species). mixture of annual species did not have a good performance, particularly during the second season. a clear effect of the covers on soil content of nitrogen (n) and potassium (k) was found; however, soil organic matter content and ph were not affected. weed growth was best controlled by the cover crops that included fescue and/or white clover. %K rubus idaeus %K trifolium repens %K trifolium michelianum %K trifolium subterraneum %K lotus corniculatus %K festuca arundinacea %K rubus idaeus %K trifolium repens %K trifolium michelianum %K trifolium subterraneum %K lotus corniculatus %K festuca arundinacea. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0365-28072007000300006&lng=en&nrm=iso&tlng=en