Weed control strategies for field grown herbaceous perennials.

application rates astillas axadiazon chemical control choix de la date control cultural crop losses crops cubrimiento del suelo cultivos cultural control date de traitement dormance dormancy escarda etapas de desarrollo de la planta fecha de tratamiento festuca ovina fitotoxicidad hemerocallis herbaceous ornamentals herbicidas herbicide herbicides hosta iris isoxaben journal liatris lilium lutte chimique lutte culturale metolachlor metolacloro minnesota mulching newspapers orizalina oryzalin oxadiazon oxifluorfen oxyfluorfen paeonia paillage particule de bois pendimetalina pendimethalin phlox phytotoxicity plant developmental stages plante de culture pneumatique schizachyrium scoparium timing treatment date tyres weed control wood chips