خيارات البحث
النتائج 141 - 150 من 345
Effects of low pH and aluminum on root morphology of Japanese red cedar saplings
1998
Hirano, Y. | Hijii, N. (Laboratory of Forest Protection, School of Agricultural Sciences, Nagoya University, Nagoya 464-8601 (Japan))
Focus on emission factors: a sensitivity analysis of ammonia emission modelling in the Netherlands
1998
Leneman, H. | Oudendag, D.A. | Hoek, K.W. van der | Janssen, P.H.M. (Agricultural Economics Research Institute [LEI-DLO], The Hague (Netherlands))
Effects of eutrophication in drainage ditches
1998
Janse, J.H. | Puijenbroek, P.J.T.M. van (RIVM, Laboratory of Water and Drinking Water Research, P.O. Box 1, NL-3720 BA Bilthoven (Netherlands))
Effects of nitrogen deposition on tree growth and soil nutrients in boreal scots pine stands
1998
Nissinen, A. | Hari, P. (Department of Forest Ecology, P.O. Box 24, University of Helsinki, 00014 Helsinki (Finland))
Nitrification in organic and mineral soil layers in coniferous forests in response to acidity
1998
Rudebeck, A. | Persson, T. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, P.O. Box 7072, S-750 07 Uppsala (Sweden))
Plant uptake of radionuclides in lysimeter experiments
1998
Gerzabek, M.H. | Strebl, F. | Temmel, B. (Austrian Research Centre Seibersdorf, Division of Life Sciences, A-2444 Seibersdorf (Austria))
Composting of spent pig litter in turned and forced-aerated piles
1998
Tiquia, S.M. | Tam, N.F.Y. (Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong (China))
Trends in needle and soil chemistry of Norway spruce and Scots pine stands in South Sweden 1985-1994
1998
Thelin, G. | Rosengren-Brinck, U. | Nihlgard, B. | Barkman, A. (Forest Ecology, Department of Plant Ecology, Ecology Building, Lund University, S-223 62 Lund (Sweden))
Nitrogen response of herbs and graminoids in experiments with simulated acid soil solution
1998
Falkengren-Grerup, U. (Department of Plant Ecology, Lund University, Ecology Building, S-223 62 Lund (Sweden))
Risk of damage to crops in the direct neighbourhood of ammonia sources
1998
Eerden, L.J.M. van der | Visser, P.H.B. de | Dijk, C.J. van (Research Institute for Agrobiology and Soil Fertility, Research unit Plant and Biosphere, P.O. Box 14, 6700 AA Wageningen (Netherlands))
