The influence of environment and field management factors on black point occurrence in naked oat panicle [Czech Republic]

abonos nitrogenados avena sativa climatic factors concimi azotati czech republic enfermedades de las plantas environmental factors facteur climatique facteur du milieu factores ambientales fattori ambientali fattori climatici fertilisation fertilizer application gestion gestione humedad humidity maladie des plantes malattie delle piante management nitrogen fertilizers plant diseases repubblica ceca