خيارات البحث
النتائج 151 - 160 من 347
Recovery of valuable nitrogen compounds from agricultural liquid wastes: potential possibilities, bottlenecks and future technological challenges
1998
Rulkens, W.H. | Klapwijk, A. | Willers, H.C. (Wageningen Agricultural University (WAU), Wageningen (Netherlands))
Deposition of nitrogen and other major inorganic compounds in Norway, 1992-1996
1998
Toerseth, K. | Semb, A. (Norwegian Institute for Air Research, 2007 Kjeller (Norway))
Ozone levels in Chongqing: a potential threat to crop plants commonly grown in the region?
1998
Zheng, Y. | Stevenson, K.J. | Barrowcliffe, R. | Chen, S. | Wang, H. | Barnes, J.D. (Air Pollution Laboratory, Department of Agricultural and Environmental Science, Ridley Building, The University, Newcastle Upon Tyne NE1 7RU (United Kingdom))
Mitigation of nitrous oxide emission from dairy farming systems
1998
Velthof, G.L. | Beusichem, M.L. van | Oenema, O. (Nutrient Management Institute NMI, Wageningen Agricultural University, P.O. Box 8005, 6700 EC Wageningen (Netherlands))
Analysis of ammonia, ammonium aerosols and acid gases in the atmosphere at a commercial hog farm in eastern North Carolina, USA
1998
McCulloch, R.B. | Few, G.S. | Murray, G.C. | Aneja, V.P. (North Carolina Department of Environment and Natural Resources, Division of Air Quality, Raleigh, NC 27626 (USA))
Anticoagulant rodenticides in stoats (Mustela erminea) and weasels (Mustela nivalis) in England
1998
McDonald, R.A. | Harris, S. | Turnbull, G. | Brown, P. | Fletcher, M. (School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG (United Kingdom))
Canadian NOx/VOC science assessment: science and policy linkages
1998
Olivotto, C. | Bottenheim, J.W. (Atmospheric Environment Service, Toronto, Ontario, M3H 5T4 (Canada))
Structural-functional rearrangements in chromosome G in Chironomus riparius (Diptera, Chironomidae) collected from a heavy metal-polluted area near Turin, Italy
1998
Michailova, P. | Petrova, N. | Sella, G. | Ramella, L. | Bovero, S. (Institute of Zoology, Bulgarian Academy of Sciences, 1 Tzar Osvoboditel boulv. Sofia 1000, Bulgaria)
Soil acidification along an ammonium deposition gradient in a Corsican pine stand in northern Belgium
1998
Schrijver, A. de | Nachtergale, L. | Roskams, P. | Keersmaeker, L. de | Mussche, S. | Lust, N. (Laboratory of Forestry, University of Ghent, Geraardsbergse Steenweg 267, 9090 Gontrode (Belgium))
Experimental calibration of Ellenberg's indicator value for nitrogen
1998
Wamelink, G.W.W. | Dobben, H.F. van | Eerden, L.J.M. van der (Institute of Forestry and Nature Research, P.O. Box 23, 6700 AA Wageningen (Netherlands))
