Waha, Katharina; Zipf, Birgit; Kurukulasuriya, Pradeep; Hassan, Rashid M.
(Nature Publishing Group, 2016-05)
Surveys for more than 9,500 households were conducted in the growing seasons 2002/2003 or 2003/2004 in
eleven African countries: Burkina Faso, Cameroon, Ghana, Niger and Senegal in western Africa; Egypt in
northern Africa; ...