<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors></contributors><titles><title><style face="normal" font="default" size="100%">Effects on natural regeneration of woodland in a dehesa system grazed by Avilena-Negra Iberica Breed</style></title><secondary-title><style face="normal" font="default" size="100%">Cahiers Options …</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><pages><style face="normal" font="default" size="100%">257-259</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Effects on concentrated calving against continuous calving and different supplementation levels on cattle in a dehesa system have been studied. In these experimental conditions we considered it necessary to evaluate grazing effectso n natural regeneration of holm oaks (Quercus rotundifoliaa) nd cork oaks (Quercus suber).</style></abstract></record></records></xml>