@book {384,
	title = {Shifting cultivation in Africa: The Zande system of agriculture},
	year = {1956},
	month = {1956},
	pages = {xxxi, 304 pp.},
	publisher = {Routledge \& Kegan Paul},
	organization = {Routledge \& Kegan Paul},
	address = {London, England},
	abstract = {The excerpts from this book talk about the Zande ecological conceptions concerning swidden farming, rock and stone formations. The second part of this excerpt looks at Zande Crops: millet, Maize, sorghum, rice, cowpeas, green gram. The excerpt finishes with a discussion of overcultivation.},
	keywords = {cowpeas, crop rotation, ecology, green gram, maize, millet, overcultivation, rice, rock formations, slash and burn, sorghum, swiddens, taxonomy, Zande},
	url = {https://ehrafworldcultures-beta.its.yale.edu/cultures/fo07/documents/060},
	author = {Pierre de Schlippe}
}
