Effects of ozon, sulphur dioxide and nitrogen dioxide on Norway spruce and poplar, under conditions of different nutrient supply levels concerning magnesium and calcium, as well as upon the leaf lichen Hypogymnia physodes. [German

• Published in: VDI Berichte
• Main Authors: Guderian R, Kueppers K, Six R
• Format: Journal Article
• Language: German
• Published: 1985
• Subjects: agentes nocivos; deperissement terminal; dieback; dioxido de azufre; dioxido de nitrogeno; dioxyde d' azote; dioxyde de soufre; facteur nuisible; injurious factors; lichen; lichenes; liquenes; marchitez descendente; nitrogen dioxide; ozone; ozono; picea abies; populus; sulphur dioxide