@article{51bbce4ebbc147d6b594410bed355407,
title = "Reduction of risk by diversity : a theoretical basis for age-old farming systems",
keywords = "burkina faso, teelt, ontwikkelingslanden, bedrijfssystemen, modellen, cultuurmethoden zonder grondbewerking, onderzoek, oogsttoename, oogstverliezen, opbrengsten, burkina faso, cultivation, developing countries, farming systems, models, no-tillage, research, yield increases, yield losses, yields",
author = "{van Noordwijk}, M. and {van Andel}, J.",
year = "1988",
language = "English",
volume = "4",
pages = "8--9",
journal = "LEISA : ILEIA newsletter for low-external-input and sustainable agriculture",
issn = "1569-8424",
number = "4",
}