خيارات البحث
النتائج 1 - 4 من 4
Effect of heavy metals and mineral nutrients on forest litter respiration rate
1994
Laskowski, R. | Maryanski, M. | Niklinska, M. (Department of Ecosystem Studies, Institute of Environmental Biology, Jagiellonian University, Ingardena 6, PL-30-060 Cracow (Poland))
Effects of ozone on managed pasture: II. Yield, species composition, canopy structure, and forage quality
1994
Fuhrer, J. | Shariat-Madari, H. | Perler, R. | Tschannen, W. | Grub, A. (Swiss Federal Research Station for Agricultural Chemistry and Environmental Hygiene, CH-3097 Liebefeld-Bern (Switzerland))
Response of a grassland ecosystem to air pollutants: -II The chemical climate: Fluxes of sedimenting airborne matter
1994
Daemmgen, U. | Gruenhage, L. | Kuesters, A. | Jaeger, H.J. (Federal Agricultural Research Centre Braunschweig-Voelkenrode, Agricultural Institute for Climate Research, Muencheberg (Germany))
Effects of ozone on grain quality of wheat grown in open-top chambers: three years of experimentation
1994
Scotti, I.A. | Silva, S. | Botteschi, G. (Istituto di Chimica Agraria ed Ambiantale, Universita Cattolica del Sacro Cuore, Piacenza (Italy))