خيارات البحث
النتائج 161 - 170 من 329
[Mechanized soil preparation and its application in highland forests effected by air pollution]
1990
Fritzsch, R. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft)
[Studies on the occurrence of damaging and useful insects in afforestation sites of the Eastern Ore Mountains effected by air pollution]
1990
Pohris, V. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Ness, T.
[Use of container plants for the afforestation of areas damaged by air pollution]
1990
Volna, M. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta) | Hauck, O. | Rychnovska, A.
[Effects of fertilization on the chemical properties of [forest] soils]
1990
Sarman, J. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta)
[Plant succession after herbicide application on forest clear cut areas in the highlands and in the hill country]
1990
Wagner, W. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Jork, P.
[The use of Populus tremula for the afforestation in areas damaged by air pollution]
1990
Pospisil, J. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta) | Alferi, L.
[Forest protection measures in afforestation sites planted with tree species suitable for the conversion of stands of the Ore Mountains damaged by air pollution]
1990
Prien, S. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Otto, L.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)
[Melioration and fertilization as conditions of re-afforestation of areas of the Ore Mountains damaged by air pollution]
1990
Nebe, W. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft)
[Study on the root development of European larch (Larix decidua L.) in ENSO plant containers and on further plant development on planting sites]
1990
Roeder, T. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Wagner, W. | Handriek, C. | Melzer, E.W.