Food And Agriculture Organization (10) Food And Agriculture Organization Of The United Nations (6) Hamm, Dr Alison (usda-ars), Manter, Dr Daniel K. (usda-ars), Friedrich, Dr Theodor (retired Food And Agriculture Organization Of The United Nations (fao) Expert On Conservation Agriculture (germany)), Pisante, Prof Michele (university Of Teramo (1) Food And Agriculture Organization, Vidar, M. (1) Food And Agriculture Organization: Fao Investment Centre (1)