Fungal infections of arborvitae (Thuja) twigs [control, fertilization]

agentes nocivos agricultural chemicals arbre borax champignon conifere conifers cupressaceae diplodia diseases economic plants enfermedades fungosas engrais engrais potassique facteur nuisible fertilizantes de oligoelementos fertilizantes fosfatados fertilizers fosfatos fungi gimnospermas gymnosperme gymnosperms injurious factors inorganic compounds micronutrient fertilizers mycose mycoses ornamental plants ornamental trees phoma phosphate phosphate fertilizers phosphates plantas plantas ornamentales plante plante ornementale plants potash fertilizers potassium sulphate produit agrochimique sales salts sel sulfate de potasse sulfato de potasio superfosfato superphosphate thuja trees