| Austria |
Leopold MÄRZ,
Irene MÜLLER and
E.Robert A. BECK |
Universität für Bodenkultur Wien,
Gregor Mendel-Strasse 33, A-1180 VIENNA |
| Belgium |
Laurent MARTENS |
Universiteit Gent, Faculteit Landbouwkundige en
Toegepaste Biologische Wetensschappen - Coupure Links
653, B-9000 GENT |
| Denmark |
Brian DENNIS |
Royal Veterinary and Agricultural University
Departmentof Agricultural Sciences
Agrovej 10, DK-2630 TÅSTRUP |
| Finland |
Christel LAMBERG-
ALLARDT |
Department of Applied Chemistry and Microbiology,
University Helsinki, P.O. Box 27, FIN-00014
University of HELSINKI |
| France |
Philippe RUFFIO |
AGRENA
Ecole Nationale Supérieure Agronomique de Rennes
65 rue de St. Brieuc, F-35042 RENNES CEDEX |
| Germany |
Werner SCHLOTE |
Humbold Universität zu Berlin, Landwirtschaftlich-
Gärtnerische Fakultät, Invalidenstrasse 42, D-10115 BERLIN |
| Greece |
Dimitris BOURANIS,
Georges
KALANTZOPOULOS
Michael LOUKAS
Harold PASSAM
Christos KECHAGIAS |
Agricultural University of Athens
75 lera Odos, GR-118 55 ATHENS
T.E.I. of Athens, Agiou Spyridonos Street,
GR-122 10, AEGALEO-ATHENS |
| Ireland |
James Peter CURRY |
Department of Environmental Resource Management,
University College of Dublin, Belfield,
IRL-DUBLIN 4 |
| Italy |
Gualtiero BARALDI |
Facoltà di Agraria, Università degli Studi di Bologna,
Via F. Re 4, I-40126 BOLOGNA |
| The Netherlands |
Jan A. DEN DULK* and
Johan H. KOESLAG** |
* Wageningen Agricultural University (WAU)
P.O. Box 9101, NL-6700 HB WAGENINGEN
** Association of Professional Higher Agricultural Education (SHAO)
P.O. Box 64 NL-6700 AB WAGENINGEN |
| Norway |
Karl KERNER |
International Relations Office,
Agricultural University of Norway, P.O. Box 5003
N-1432 ÅS |
| Portugal |
Raul JORGE |
Instituto Superior de Agronomia,
Tapada da Ajuda, P-1399 LISBOA CODEX |
| Spain |
Ana GARRIDO-VARO
and Luis RALLO ROMERO |
Escuela Technica Superior de Ingenieros Agronomos y de Montes, Universidad
de Cordoba, Avda. Menendez Pidal s/n - Apdo. 3048, E-14080 CÓRDOBA |
| Sweden |
Per-Göran KNUTSSON and
Ingela BONDESTAM |
Swedish University of Agricultural Sciences,
Box7070, S-75007 UPPSALA |
| United Kingdom |
Julian WISEMAN |
Faculty of Agricultural and Food Sciences, University of Nottingham,
Sutton Bonington Campus, Loughborough,
UK-LEICS LE 12 5RD |