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Результаты 101-110 из 184
Experimental liming of watersheds: an international cooperative effort between the United States and West Germany
1988
Brocksen, R.W. | Zoettl, H.W. | Porcella, D.B. | Huettl, R.F. | Feger, K.H. | Wisniewski, J.
An overview of lake neutralization experiments in Ontario
1988
Dodge, D.P. | Booth, G.M. | Richman, L.A. | Keller, W. | Tomassini, F.D.
Critical deposition levels for nitrogen and sulphur on Dutch forest ecosystems
1988
Vries, W. de (Stichting voor Bodemkartering, Wageningen (Netherlands))
Effects of liming on water quality of two streams in West Virginia
1988
Ivahnenko, T.I. | Renton, J.J. | Rauch, H.W.
Lake liming in different types of acid lakes using various types of calcite powders and methods
1988
Sverdrup, H. | Warfvinge, P.
Methane and nitrogen gases from rice fields of China -possible effects of microbiology, benthic fauna, fertilizer, and agricultural practice
1988
Winchester, J.W. (Florida State Univ., Tallahassee, FL (USA). Dept. of Oceanography) | Fan, S.M. | Li, S.M.
Metal uptake in plants from a birch forest area near a copper smelter in Norway
1988
Loebersli, E.M. (Trondheim Univ., Dragvoll (Norway). Dept. of Chemistry) | Steinnes, E.
Evaluating soluble toxicants in contaminated soils
1988
Pratt, J.R. (Virginia Polytechnic Inst., Blacksburg, VA (USA). Dept. of Biology) | McCormick, P.V. | Pontasch, K.W. | Cairns, J.
Possible mechanisms of aluminium toxicity in a dilute, acidic environment to fingerlings and older life stages of salmonids
1988
Neville, C.M. (Ministry of the Environment, Rexdale, Ont. (Canada). Water Resources Branch) | Campbell, P.G.C.