خيارات البحث
النتائج 101 - 110 من 219
Water pollution by fertilizers and pesticides
1986
This study reflects the growing consensus among experts whose viewpoints were not always the same that some changes in agricultural practices are necessary to limit the environmental costs to society.--Publisher's description.
اظهر المزيد [+] اقل [-]The effect of pH on fungitoxic interactions between a solvent and pesticide
1986
Stratton, G.W. (Nova Scotia Agricultural College, Truro (Canada). Dept. of Biology)
Effect of the quantity and duration of application of simulated acid precipitation on nitrogen mineralization and nitrification in a forest soil
1986
Klein, T.M. (Cornell Univ., Ithaca, NY (USA). Dept. of Agronomy) | Alexander, M.
Toxic effects of two organophosphate insecticides, monocrotophos and dichlorvos to common earthworm Lampito mauritii (Kinberg)
1986
Bharati, C. (Andhra Univ., Waltair (India). Dept. of Zoology) | Subba Rao, B.V.S.S.R.
DDT residues in the river Jamuna in Delhi, India
1986
Agarwal, H.C. (Delhi Univ. (India). Dept. of Zoology) | Mittal, P.K. | Menon, K.B. | Pillai, M.K.K.
Acute and sub-chronic toxicity of lead to the early life stages of smallmouth bass (Micropterus dolomieui)
1986
Coughlan, D.J. (Cornell Univ., Ithaca, NY (USA). Dept. of Natural Resources) | Gloss, S.P. | Kubota, J.
Eddy correlation measurements of dry deposition fluxes using a tunable diode laser absorption spectrometer gas monitor
1986
Edwards, G.C. (Ontario Hydro Research Div., Toronto, Ont. (Canada)) | Ogram, G.L.
Soil acidity and its relationship to root growth in declining forest stands in Germany
1986
Matzner, E. (Goettingen Univ. (Germany, F.R.). Research Center Forest Ecosystems/Forest Decline) | Murach, D. | Fortmann, H.
Gaardsjoen Project: lake acidification, chemistry in catchment runoff, lake liming and microcatchment manipulations
1986
Hultberg, H. (Swedish Environmental Research Inst., Goeteborg (Sweden)) | Grennfelt, P.
Recent and historic red spruce mortality: evidence of climatic influence
1986
Johnson, A.H. (Pennsylvania Univ., Philadelphia (USA). Dept. of Landscape Architecture and Regional Planning) | Friedland, A.J. | Dushoff, J.G.
