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Résultats 231-240 de 325
Productivity, nutrient immobilization and soil chemical properties in an Eucalyptus globulus plantation under different irrigation and fertilization regimes
1990
Madeira, M. (Instituto Superior de Agronomia, Lisboa (Portugal)) | Pereira, J.S.
Effect of cement dust treatment on some phylloplane fungi of wheat
1990
Singh, A.K. (Banaras Hindu Univ., Varanasi (India). Dept. of Botany) | Rai, B.
Fertilizer application in aid of plantation establishment in the savanna areas of Nigeria
1990
Kadeba, O. (Federal Univ. of Technology, Akure (Nigeria). Dept. of Forestry and Wood Technology)
Correction of magnesium deficiency in a young stand of Norway spruce
1990
Monchaux, P. (Association Foret-Cellulose, Charrey-sur-Saone (France)) | Thivolle-Cazat, A.
Pollution prevention and hazardous waste reduction
1990
Environmental pollution and control
1990
Vesilind, P. Aarne | Peirce, J. Jeffrey | Weiner, Ruth F.
[Interactions between weather conditions and the occurrence of some damaging factors in newly established forest stands in areas of the Eastern Ore Mountains damaged by air pollution]
1990
Otto, L.F. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft)
[Reduction of forest damage caused by air pollution in Norway spruce (Picea abies (L.) Karst.) stands by means of melioration and the establishment of mixed forests]
1990
Lucke, E. (Institut fuer Forstwissenschaften Eberswalde, Suhl (Germany). Forschungs- und Ueberleitungszentrum) | Melzer, E.W.
[Studies on the seed production of Pinus contorta Dougl.]
1990
Kobliha, J. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta)
