[Cultivation trials and examinations in sugar beets 1994]

application rates arrachage arrancado beta vulgaris clima climat climate control de enfermedades control de plagas crecimiento croissance crop yield danemark denmark dinamarca disease control dose d'application enfermedades de las plantas ensayos de variedades equipment equipo escarda experimentation fertilisation fertilizer application fongicide fungicidas fungicides growth herbicidas herbicide herbicides lifting lisier lutte antiravageur maladie des plantes malezas mauvaise herbe methode methods pest control pests of plants plagas de plantas plant diseases ravageur des plantes remolacha azucarera rendement des cultures rendimiento de cultivos slurry spraying sugar beet trial methods variety trials weed control weeds