[ Опубликовано в: Pollution ]
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Результаты 31-40 из 219
[Relationship existing between maximal SO2 concentrations and the measurement time for different zones]
1986
Esteban, F. (Asociacion de Investigacion Industrial Electrica, Madrid (Spain)) | Cervera, A.
Institut national de la recherche agronomique - France
[Acid rain in Hungary]
1986
Meszaros, E. (Institut de Physique de l'Atmosphere, Budapest (Hungary))
Institut national de la recherche agronomique - France
Pollution control handbook, 1986
1986
Diwakar Rao, P. L.
National Agricultural Library - United States of America
Pollution control in industry
1986
Iyer, K. V. | Kumar, L. R.
National Agricultural Library - United States of America
Biological indicators of freshwater pollution and environmental management
1986
Hellawell, J. M.
National Agricultural Library - United States of America
[Studies comparing mycorrhizae in different soil depths fertilized and unfertilized stands]
1986
Haug, I. (Tuebingen Univ. (Germany, F.R.). Lehrstuhl Spezielle Botanik) | Kottke, I. | Oberwinkler, F.
ZB MED Nutrition. Environment. Agriculture - Germany
[The influence of fertilization measures in forests upon some species of the soil fauna of forest ecosystems]
1986
Kreimes, K. | Thielemann, U.
ZB MED Nutrition. Environment. Agriculture - Germany
[Comparison of vitality of mycorrhizae of differently fertilized areas by means of FDA -(fluoresrine-diacetate) vital fluorine chrome]
1986
Ritter, T. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Kottke, I. | Oberwinkler, F.
ZB MED Nutrition. Environment. Agriculture - Germany
[The influence of calcium fertilization, mineral fertilization and artificial rain on the soil fauna in Norway spruce forests]
1986
Funke, W. (Ulm Univ. (Germany, F.R.)) | Jans, W.
ZB MED Nutrition. Environment. Agriculture - Germany