Grain quality and yield of spring barley in field trials under variable growing conditions

amidon analyse de sol azote barley blight calidad capa arable del suelo caracteres de rendimiento cebada composante de rendement contenido proteico couche arable crop performance crop yield cultivos de primavera culture de printemps disponibilidad de nutrientes enfermedades fungosas environmental temperature facteur de rendement factores de rendimiento fenpropimorf fenpropimorph fenpropimorphe flusilazol flusilazole fongicide fosforo fungal diseases fungicidas fungicides fusarium grain graine granos hordeum vulgare maladie fongique nitrogen nutrient availability orge pathogens performance de culture peso ph del suelo ph du sol phosphore phosphorus plant response poids potasio potassium precipitation propiconazol propiconazole protein content quality rendement des cultures rendimiento de cultivos respuesta de la planta seeds semilla soil analysis soil ph spring crops starch tebuconazol tebuconazole temperatura ambiental top soil variedades varieties vomitoxin vomitoxina vomitoxine weight yield components yield factors