according to the Food and Agriculture Organization Food and Agriculture Organization of the United Nations South Sudan http://www.fao.org/emergencies/countries/detail/en/c/147627/ South Sudan http://www.fao.org/emergencies/countries/detail/en/c/147627/ http://www.fao.org/emergencies/countries/detail/en/c/147627/ FAO: South Sudan Profile http://www.fao.org/emergencies/countries/detail/en/c/147627/ FAO: South Sudan Profile