خيارات البحث
النتائج 131 - 140 من 219
Hematological and physiological responses to sublethal concentrations of cadmium in a freshwater teleost, Tilapia zillii
1992
Ghazaly, K.S. (Alexandria Univ. (Egypt). Dept. of Natural History)
A simple passive sampler for measuring ammonia emission in the field
1992
Schjoerring, J.K. (Royal Veterinary and Agricultural Univ., Frederiksberg (Denmark). Section of Soil, Water and Plant Nutrition) | Sommer, S.G. | Ferm, M.
Effects of acidic precipitation, fertilization and liming on the ground vegetation in coniferous forests of southern Germany
1992
Rodenkirchen, H. (Munich Univ. (Germany). Chair of Soil Science)
Acid deposition in the German Solling area: effects on soil solution chemistry and Al mobilization
1992
Matzner, E. (Goettingen Univ. (Germany). Forest Ecosystem Research Center) | Prenzel, J.
Influence of acid deposition on element cycling in mature sugar maple forest, Algoma, Canada
1992
Morrison, I.K. (Forestry Canada Ontario Region, Sault Ste. Marie, Ont. (Canada)) | Foster, N.W. | Nicolson, J.A.
Sampling and analysis of the soil fumigants 1,3-dichloropropene and methyl isothiocyanate in the air
1992
Berg, F. van den (Winand Staring Centre for Integrated Land, Soil and Water Research, Wageningen (Netherlands)) | Leistra, M. | Roos, A.H. | Tuinstra, L.G.M.T.
Simulated acid rain effects on fine roots, ectomycorrhizae, microorganisms, and invertebrates in pine forests of the Southern United States
1992
Esher, R.J. (Mississippi State Univ. Research Center, Mississippi, MS (USA). Stennis Space Center) | Marx, D.H. | Ursic, S.J. | Baker, R.L. | Brown, L.R. | Coleman, D.C.
Nitrogen cycling in two Norway spruce (Picea abies) ecosystems and effects of a (NH4)2SO4 addition
1992
Feger, K.H. (Albert-Ludwig-University, Freiburg (Germany). Inst. of Soil Science and Forest Nutrition)
Effects of genotype on the response of Populus tremuloides Michx. to ozone and nitrogen deposition
1992
Karnosky, D.F. (Michigan Technological Univ., Houghton, MI (USA). School of Forestry) | Gagnon, Z.E. | Reed, D.D. | Witter, J.A.
In vitro aluminum effects on ectomycorrhizal fungi
1992
Zel, J. (Ljubljana Univ. (Yugoslavia). Inst. of Biology) | Blatnik, A. | Gogala, N.
