Referees

  1. Professor M.B. Kirkham, Department of Agronomy, Kansas State University, Manhattan, KS 66506-5501, USA, Office tele: 785-532-0422, fax: 785-532-6094, E-mail: mbk@ksu.edu
  2. Prof. Stephan Nortcliff, Depart. of Soil Science, School of, Human & Environmental Science, P.O.Box 223, Reading, RG6 6DW (e mail: s.nortcliff@reading.ac.uk)
  3. Professor David Coventry, Chair, Sustainable Agricultural Production, Soil and Land Systems, School of Earth and Environment Sciences, The University of Adelaide,       Roseworthy Campus SA 5371 Australia, E mail: david.coventry@adelaide.edu.au phone: 61 (0)8 83037954; mob 0417 874534 Fax: 61 (0)8 83037730.
  4. Prof. Dr. Zaharah A. Rahman, Department of Land Management, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Tel : +603-8946 6987 Fax :+603-8943 4419, zaharah@agri.upm.edu.my
  5. Prof. Dr. Diedrich Steffens, Institute of Plant Nutrition, Interdisciplinary Research Centre for Environmental Research, (IFZ), Justus Liebig University, Heinrich-Buff-Ring 26-32, D-35392, Giessen, Germany. Diedrich.Steffens@ernaehrung.uni-giessen.de.
  6. Professor Tom E. Schumacher, Soil Conservation & Management, Plant Science Department, 247A NPB Box 2140C, South Dakota State University, Brookings, SD 57007, USA, Tel: (605) 688-4762   FAX (605) 688-4452, thomas.schumacher@sdstate.edu or tes@mrbuffalohead.net.
  7. Professor Mukhtar Ahmed Mustafa, Desertification and Desert Cultivation Studies Institute, Shambat, Sudan. Tel. 00 249 912147842 e mail: mukhtar.ahmedfadl@gmail.com
  8. Dr. Nasreldin Hag Elamin, FAO Representation in Jordan, Alshaab Street Dabouq, P.O. Box 941631 Amman 11194, Amman. Telephone:+962-6-5562554, Fax:+962-6-5562553 Mobile: +962796672229 Email: Nasredin.HagElamin@fao.org