Rice, a cash crop, was grown in the alluvial valley bottom (fadama) of an inland valley region of central Nigeria. The main staple crop, maize, was grown on the adjacent upland areas. Both oxen and manual labour were used for initial cultivation (ploughing and harrowing for rice and ridging for m...
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https://cgspace.cgiar.org/handle/10568/3008
Lawrence, P.R.
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Dijkman, J.T.
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Jansen, G.P.
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[The introduction of animal traction into inland valley regions. 1. Manual labour and animal traction in the cultivation of rice and maize: A comparison]
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The introduction of animal traction into inland valley regions. 1. Manual labour and animal traction in the cultivation of rice and maize: A comparison
