Food security in the WANA region: the essential need for fertilizers

Johnston, Johnny (1998) Food security in the WANA region: the essential need for fertilizers. In: Food security in the WANA region, the essential need for balanced fertilization. Proceedings of a Regional Workshop of the International Potash Institute, Bornova, Izmir, Turkey, 25-30 May 1997. UNSPECIFIED, pp. 11-29.