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Reports

top left: Biennial coffee trees in Ambangulu in Usambara top right: Coffee seedbed in Balangai in West-Usambara lower left: Two-year-old coffee trees in Ambangulu in Usambara lower right: seedbed of Cinchona (cinchona bark tree) in Amani in East-Usambara; "Aus Deutsch-Ost-Afrika" (album ).