خيارات البحث
النتائج 1 - 10 من 22
Interactive effects of aluminum, phosphorus and mycorrhizae on growth and nutrient uptake of Panicum virgatum L. (Poaceae)
1989
Koslowsky, S.D. | Boerner, R.E.J. (Department of Botany, Ohio State University, Columbus, OH 43210 (USA))
Fly ash application on two acid soils and its effect on soil salinity, pH, B, P and on ryegrass growth and composition
1999
Matsi, T. | Keramidas, V.Z. (Soil Science Laboratory, Aristotle University, Thessaloniki, 54006 (Greece))
Towards integrated national modelling with particular reference to the environmental effects of nutrients
1998
Alkemade, J.R.M. | Grinsven, J.J.M. van | Wiertz, J. | Kros, J. (National Institute of Public Health and the Environment, Bilthoven (Netherlands))
Downward movement of cadmium and phosphorus from phosphatic fertilisers in a pasture soil in New Zealand
1997
Loganathan, P. | Hedley, M.J. (Fertilizer and Lime Research Centre, Massey University, Palmerston North (New Zealand))
The effects of excess nitrogen deposition on young Norway spruce trees. Part II. The vegetation
1994
Wilson, E.J. | Skeffington, R.A. (National Power Research and Engineering, Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire (United Kingdom))
Evolution of heavy metals in marsh areas under rice farming
1999
Andreu, V. | Gimeno-Garcia, E. (Centro de Investigaciones sobre Desertificacion-CIDE - CSIC, Universitat de Valencia, Generalitat Valenciana, Cami de la Marjal s/n, 46470 Albal Valencia (Spain))
Leaching of nitrate from agriculture to groundwater: the effect of policies and measures in the Netherlands
1998
Oenema, O. | Boers, P.C.M. | Eerdt, M.M. van | Fraters, B. | Meer, H.G. van der | Roest, C.W.J. | Schroder, J.J. | Willems, W.J. (AB-DLO, P.O. Box 14, 6700 AA Wageningen (Netherlands))
Nitrogen in Dutch freshwater lakes: trends and targets
1998
Molen, D.T. van der | Portielje, R. | Nobel, W.T. de | Boers, P.C.M. (Institute for Inland Water Management and Waste Water Treatment, Lelystad (Netherlands))
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification
1998
Fluckiger, W. | Braun, S. (Institute for Applied Plant Biology, CH-4124 Schonenbuch (Switzerland))
Effects of elevated CO2, nitrogen supply and tropospheric ozone on spring wheat-II. Nutrients (N, P, K, S, Ca, Mg, Fe, Mn, Zn)
1997
Fangmeier, A. | Gruters, U. | Hogy, P. | Vermehren, B. | Jager, H.J. (Institut fur Pflanzenokologie, Heinrich-Buff-Ring 38, D-35392 Giessen (Germany))