خيارات البحث
النتائج 71 - 80 من 219
Bone concentration of manganese in white sucker (Catostomus commersoni) from acid, circumneutral and metal-stressed lakes
1986
Harvey, H.H. (Toronto Univ. (Canada). Dept. of Zoology) | Fraser, G.A. | McArdle, J.M.
Effect of air pollution on plants = | Invloed van luchtverontreiniging op planten
1986
Posthumus, A. C.
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 [-]Microclimate and plant growth in open-top chambers
1986
Potential leaching of elements in three Danish spruce forest soils
1986
Rasmussen, L. (Technical Univ. of Denmark, Lyngby (Denmark). Lab. of Environmental Sciences and Ecology)
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.
