C. P. Kapembwa
(President, Zambian Institute of Agriculture, P.O. Box 250170, Ndola, Zambia)
I. K. Kalunga
(Agronomist, Zambian Institute of Agriculture, P.O. Box 250170, Ndola, Zambia)
Ravindra C. Joshi
(Pacific Coordinator, SAFE Network, Philippines & Visiting Adjunct Professor, Zambian Institute of Agriculture, P.O. Box 250170, Ndola, Zambia)