Management of nutrition in forests under stress proceedings of the international symposium, held in Freiburg, Germany, September 18-21, 1989 - Zottl, H.W.; Huttl, R.F. (Dordrecht : Kluwer Academic Publisher,s, 1991)
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Keywords: Forest soils -- Fertilization -- Congresses; Trees -- Effect of stress on -- Congresses; Trees -- Nutrition -- Congresses; Forest management -- Congresses; Forest ecology -- Congresses; Trees -- Effect of pollution on -- Congresses