细化搜索
结果 121-130 的 184
Changes in the fish community of a limed lake near Sudbury, Ontario: effects of chemical neutralization or reduced atmospheric deposition of acids?
1988
Gunn, J.M. | McMurtry, M.J. | Casselman, J.M. | Keller, W. | Powell, M.J.
Adsorption-desorption of atrazine on four soils of Hyderabad
1988
Raman, S. (Agricultural Univ., Hyderabad, AP (India)) | Krishna, M. | Chandrasekhar Rao, P.
Precipitation and streamwater chemistry from undisturbed watersheds in the Cascade Mountains of Oregon
1988
Martin, C.W. (USDA Forest Service, Durham, NH (USA). Northeastern Forest Experiment Station) | Harr, R.D.
Evaluation of liming operations through benefit-cost analysis
1988
Riely, P.L. | Rockland, D.B.
Differences in pre- and post-treatment water qualities for twenty limed lakes
1988
Marcus, M.D.
Freshwater mussels as monitors of bacteriological water quality
1988
Turick, C.E. (West Virginia Univ., Morgantown, WV (USA). Div. of Plant and Soil Sciences) | Sexstone, A.J. | Bissonnette, G.K.
Enzymatic method for the estimation of residual organophosphorus compounds in water after treatment with chlorine-containing oxidant
1988
Tingfa, D. (Changsha Inst. of Technology, Changsha Hunan (China). Dept. of Applied Chemistry) | Shiguang, Z.
Response of wheat, canola and alfalfa to simulated acidic precipitation
1988
Abouguendia, Z.M. (Saskatchewan Research Council, Saskatoon (Canada)) | Baschak, L.A. | Godwin, R.C.
Uptake and bioconcentration of dieldrin, dimethoate, and permethrin by Tetrahymena pyriformis
1988
Bhatnagar, P. (Rajasthan Univ., Jaipur (India). Dept. of Zoology) | Kumar, S. | Lal, R.
Effects of simulated acid precipitation on cadmium- and zinc-amended soil and soil-pine systems
1988
Carlson, C.L. (Emory Univ., Atlanta, GA (USA). Dept. of Biology) | Ragsdale, H.L.
