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[ Publié dans: Pollution ]
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1990

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[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.

germany insecta picea omorika allemagne aufforstung forest trees 174.7 pinus sylvestris (430.2) 145.7 insecta 453 bodenfallen arboles forestales ...
ZB MED Nutrition. Environment. Agriculture - Germany
[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.

germany larix decidua pflanze roots allemagne alemania (430.2) raices plantacion con cepellon enso-container wurzelentwicklung 174.7 larix decidua ...
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
[Effects of fertilization on the chemical properties of [forest] soils]

1990

Sarman, J. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta)

acid soils rfts sol acide waldboden engrais fertilizers foret 114.25 ph-wert duengung analisis del suelo (437) ...
ZB MED Nutrition. Environment. Agriculture - Germany
[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.

prophylaxe germany picea abies gibier animales de caza allemagne (430.2) 453 145.7x21.06 pristiphora abietina 422.1 149.6 cervus elaphus 149.6 capriolus capriolus ...
ZB MED Nutrition. Environment. Agriculture - Germany
The state of transboundary air pollution: 1989 update. Report prepared within the framework of the Convention on Long-Range Transboundary Air Pollution.

1990

pollution control pollution du sol environmental impact national expenditure heavy metals lutte antipollution impact sur l' environnement pollution atmospherique control de la contaminacion cout metal lourd polucion del suelo ...
Wolters Kluwer - United States of America
Contamination of ground water

1990

Barcelona, Michael J.

management pollution groundwater
National Agricultural Library - United States of America
Contaminant monitoring programmes using marine organisms: quality assurance and good laboratory practice

1990

organisme aquatique technique analytique muestreo aquatic organisms pollutants sampling toxicidad/ vigilancia organismos acuaticos tecnicas analiticas experimentos en laboratorio toxicity/ monitoring toxicite/ controle continu ...
Food and Agriculture Organization of the United Nations - Italy
[The state of transboundary air pollution: effects and control]

1990

acid rain europe rivers acidification cours d'eau pluie acide pollution atmospherique lutte antipollution/ controle continu lluvia acida acidificacion control de la contaminacion/ vigilancia polucion del aire ...
Food and Agriculture Organization of the United Nations - Italy
Phosphorus removal from wastewater

1990

Bowker, Robert P. G. | Stensel, H. David

sewage purification phosphate removal
National Agricultural Library - United States of America