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[ Publié dans: Pollution ]
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Résultats 1-7 de 7

[Experiment on the cultivtion of tree species in the Harz mountains]

1989

Weihs, U. (Goettingen Univ. (Germany, F.R.). Inst. fuer Waldbau)

climate plantation fertilizers lower saxony afforestation forest trees 181.2 bergahorn magnesiumkalk 232.11 237.412 arboles forestales ...
ZB MED Nutrition. Environment. Agriculture - Germany
[The Fichtelgebirge - natural position - forest damage -forest regeneration programme]

1989

Koch, H.

sulphur dioxide picea abies pluie acide afforestation dioxyde de soufre bavaria waldverjuengung saure depositionen contaminacion del aire baviere dioxido de azufre 48 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Regeneration of forests damaged by forest decline

1989

Burschel, P. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Waldbau und Forsteinrichtung) | Binder, F.

plant diseases pluie acide fertilizers maladie des plantes afforestation enfermedades de las plantas versuchsflaechen bergahorn naturverjuengung baviere mg++ 181.341 ...
ZB MED Nutrition. Environment. Agriculture - Germany
[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.

plantation en container afforestation container planting wurzelentwicklung contaminantes industriales/ polucion del aire containerpflanzen wurzeldeformationen polluant industriel/ pollution atmospherique 232.329.6 ...
ZB MED Nutrition. Environment. Agriculture - Germany
[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)

sulphur dioxide germany engrais fertilizers abonos allemagne (430.2) 114.22 dioxido de azufre photooxidantien naehrstoffversorgung schadstoffe ...
ZB MED Nutrition. Environment. Agriculture - Germany
[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.

in-vitro-kultur hybrids afforestation aspe hybride hybridation eignung aufforstungsversuche 165.44--012.5 rfts/ pollution atmospherique 165.7 rfcs/ polucion del aire ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Use of willows for the afforestation of clearings in forests damaged by air pollution]

1990

Stepanek, V. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta) | Uradnicek, L.

vegetative vermehrung esquejes afforestation cuttings bouture salix arten rfts/ pollution atmospherique aufforstungseignung 176.1 salix rfcs/ polucion del aire 232.328.1 ...
ZB MED Nutrition. Environment. Agriculture - Germany