[ 发表于: Pollution ]
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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.
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.
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.
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)
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.
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
Wolters Kluwer - United States of America
Contamination of ground water
1990
Barcelona, Michael J.
National Agricultural Library - United States of America
Contaminant monitoring programmes using marine organisms: quality assurance and good laboratory practice
1990
Food and Agriculture Organization of the United Nations - Italy
[The state of transboundary air pollution: effects and control]
1990
Food and Agriculture Organization of the United Nations - Italy
Phosphorus removal from wastewater
1990
Bowker, Robert P. G. | Stensel, H. David
National Agricultural Library - United States of America
