خيارات البحث
النتائج 241 - 250 من 329
Soil response to S and N treatments in a northern New England low elevation coniferous forest
1990
Fernandez, I.J. (Maine Univ., Orono, ME (USA). Dept. of Plant, Soil and Environmental Sciences) | Rustad, L.E.
Solute concentrations and fluxes of major nutrients in potted red spruce saplings exposed to simulated acid rain treatments
1990
Sherman, R.E. (Cornell Univ., Ithaca, NY (USA). Dept. of Natural Resources) | Fahey, T.J.
An acidic snowmelt event in a New Jersey stream: evidence of effects on an indigenous trout population
1990
Stansley, W. (New Jersey Dept. of Environmental Protection, Lebanon, NJ (USA). Div. of Fish, Game and Wildlife) | Cooper, G.
Effects of soil-cation composition on reactions of four herbicides in a candler fine sand
1990
Alva, A.K. (Florida Univ., Lake Alfred, FL (USA). Citrus Research and Education Center) | Singh, M.
Effects of ozone and acidic precipitation on the growth and photosynthesis of red spruce after two years of exposure
1990
Kohut, R.J. (Cornell Univ., Ithaca, NY (USA). Boyce Thompson Inst. for Plant Research) | Laurence, J.A. | Amundson, R.G. | Raba, R.M. | Melkonian, J.J.
Retention of coumaric acid by soil and its colloidal components
1990
Riffaldi, R. (Pisa Univ. (Italy). Inst. of Agricultural Chemistry) | Saviozzi, A. | Levi-Minzi, R.
Fluoride deposition via litterfall in a coastal-plain pine plantation in South Carolina
1990
Amundson, R.G. (Boyce Thompson Inst., Ithaca, NY (USA)) | Belsky, A.J. | Dickie, R.C.
The effect of drainage on nutrient release from fen peat and its implications for water quality - a laboratory simulation
1990
Heathwaite, A.L. (Sheffield Univ. (UK). Dept. of Geography)
Emission of methyl isothiocyanate to the air after application of metham-sodium to greenhouse soil
1990
Leistra, M. (Staring Centrum, Wageningen (Netherlands)) | Crum, S.J.H.
Some considerations on the sorption and desorption phenomena of iodide and iodate on soil
1990
Muramatsu, Y. (National Inst. of Radiological Sciences, Nakaminato-shi, Ibaraki (Japan). Div. of Radioecology) | Uchida, S. | Sriyotha, P. | Sriyotha, K.
