Response of orchardgrass (Dactylis glomerata L.) varieties to grazing at monocultures and mixed pastures-(1)-Growth characteristics, changes of dry matter production and grass height after grazing

altura analyse statistique crecimiento croissance crop yield dactylis glomerata grazing growth hauteur height mixed pastures monocultivo monoculture pastizal mixto pastoreo prairie mixte rendement des cultures rendimiento de cultivos statistical analysis variedades varieties