Field pea cultivar and weed response to crop seed rate in western Canada

biological competition cantidad de semilla requerida chemical control crop yield escarda espacement espaciamiento herbicidas herbicide herbicides lutte chimique malezas mauvaise herbe metribuzin metribuzina pisum sativum plant habit port de la plante rendement des cultures rendimiento de cultivos saskatchewan sethoxydim sowing rates spacing variedades varieties weed control weeds