[Survey 1995, G: Diseases, pests and growth regulators]

avena sativa control de enfermedades cultivos de invierno cultivos de primavera culture d'hiver culture de printemps danemark denmark dinamarca disease control enfermedades de las plantas field experimentation hordeum vulgare maladie des plantes pests of plants plagas de plantas plant diseases plant growth substances plant protection protection des plantes ravageur des plantes secale cereale spring crops sustancias de crecimiento vegetal triticum aestivum variedades varieties winter crops