[Schedules for research trials in horticulture 1987]

allium cepa apples black currants brassica chinensis cabbages cassis cereza cerise cherries chou pomme enfermedades fungosas fagus fongicide fraise framboise frambuesa fresa fungicidas fungicides grosella negra herbicides insecte nuisible insecticidas insecticide insecticides malezas manzana mauvaise herbe mycose mycoses pears pera pest insects plant growth substances poire raspberries repollo rosa strawberries tomate tomatoes weeds