Corbeels M., Apina T., Koala S., Schuler J., Triomphe B., El Mouridi M., Traoré K., Nyagumbo I., Mrabet R., Penot E., Gomez-Macpherson H., De Graaff J., Tittonell P.. 2011. In : Resilient food systems for a changing world : Proceedings of the 5th World Congress on conservation agriculture, incorporating 3rd International farming systems design Conference, 26-29th September 2011, Brisbane, Australia. Canberra : ACIAR, p. 72-73. World Congress on Conservation Agriculture. 5, 2011-09-26/2011-09-29, Brisbane (Australie).