Maize yields hope. Reports from the field -- Africa.
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D000349:Africa; D017954:Africa South of the Sahara; D000351:Africa, Eastern; D000352:Africa, Northern; D000383:Agriculture; D002063:Burundi; D003247:Conservation of Natural Resources; D003906:Developing Countries; D004467:Economics; D004777:Environment; D005523:Food Supply; D012106:Research; D012939:Social Planning; D013672:Technology
Africa; Africa South Of The Sahara; Agricultural Development; Burundi; Developing Countries; Eastern Africa; Economic Factors; Environment; Food Supply; French Speaking Africa; Natural Resources; Research And Development; Rural Development; Technology