By van Veldhuizen, Laurens, Waters-Bayer, Anne, de Zeeuw, Henk
By Wilkinson, J.M., Stark, B.A.
By C.F.H. Bishop, W. Maunder
By Batey, Tom
By Kerry F. Harris (Texas A&M University, College Station, U.S.A.), Oney P. Smith (Hood College, Frederick, Maryland, James E. Duffus (United States Department of Agriculture, Salinas, California)
By Suman Singha (University of Connecticut, Storrs, CT, USA), Tara Baugher
By Bruce Schaffer, Peter C. Andersen
By James N. Moore, J. Janick, James M. and Janick Moore
By Alan Major
By Gordon Conway
By IAEA
By Great Britain: Agricultural, Development and Advisory Service, Great Britain: Ministry of Agriculture, Fisheries and Food
By D.A. Cooke, R.K. Scott
By G. W. Cooke
By John R. Archer
By G. Pilkington, S. Kendall
By G.V. Dyke
By J. G. Hawkes
By Bajaj, Y. P. S.
By Jain, Shri Mohan, Al-Khayri, Jameel M., Johnson, Dennis V.
By Bationo, Andre, Waswa, Boaz, Kihara, Job, Adolwa, Ivan, Vanlauwe, Bernard, Saidou, Koala
By Lugtenberg, Ben
By Barth, Susanne, Milbourne, Dan
By Wakil, Waqas, Romeno Faleiro, Jose, Miller, Thomas A.
By Ashraf, Muhammad, Öztürk, Munir, Ahmad, Muhammad Sajid Aqeel, Aksoy, Ahmet
By Tuteja, Narendra, Gill, Sarvajeet S., Tiburcio, Antonio F., Renu
By Davis, D. Layten, Nielsen, Mark T.
By Nigel Boatman
By Lockhart, J. A. R., Wiseman, A. J. L.
By Technical Centre for Agriculture