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Key Words and Phrases: - eCommons@Cornell - Cornell University

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-28-<br />

Table 2. Major root crops based on multiple cropping systems in tropical Africa.<br />

Cropping Pattern Geographical area Source<br />

1) Cassava+ maize followed by (fb) S.W. Nigeria, Togo, Rep. of Okigbo, 1977;<br />

cassava fb fallow Bening, Ghana, E. Nigeria Ezumah et al., 1987<br />

2) Cassava+ yam +maize fb E. Nigeria, W. Cameroon Unamma et al., 1985<br />

cassava+ maize + vegetables Nwosu, 1973<br />

fb cocoyam<br />

3) Rice+ cassava fb rice or Sierra Leone, Liberia, Dahniya, 1989<br />

sorghum +cassava<br />

Guinea<br />

4) Cassava+ groundnut fb Zaire, Angola Ezumah (ed.), 1980<br />

cassava+ groundnut Lutaladio, 198_<br />

5) Sweet potato fb cassava+ beans Rw<strong>and</strong>a, Burundi Mulidingabo, 1980<br />

Balasubramanian,<br />

1990<br />

6) Continuously cropped yam + E. Nigeria, W. Cameroon Unamma eta/., 1985<br />

maize+ vegetables fb (compound farms) Okigbo, 1977<br />

yam+ vegetables, etc.<br />

7) Cassava+ maize fb cassava Mozambique, Tanzania, IITA, 1982<br />

in banana patches<br />

Ug<strong>and</strong>a

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