Documents et rapports
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Varietal identification in household surveys : results from an experiment using DNA fingerprinting of sweet potato leaves in southern Ethiopia (anglais)
Sweet potato (Ipomoea batatas) varieties have important nutritional differences and there is strong interest to identify nutritionally superior varieties for dissemination. In agricultural household surveys...
Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS7812 Date du document: 6 septembre 2016 Mode de publication: Disclosed Auteur: Kosmowski,Frederic,Aragaw,Abiyot,Kilian,Andrzej,Ambel,Alemayehu A.,Ilukor,John,Yigezu,Biratu,Stevenson,James
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On the ground or in the air ? a methodological experiment on crop residue cover measurement in Ethiopia (anglais)
Maintaining permanent coverage of the soil using crop residues is an important and commonly recommended practice in conservation agriculture. Measuring this practice is an essential step in improving knowledge...
Type de document: Document de travail de recherche sur les politiques Numéro du rapport: WPS7813 Date du document: 6 septembre 2016 Mode de publication: Disclosed Auteur: Kosmowski,Frederic,Stevenson,James,Campbell,Jeff,Ambel,Alemayehu A.,Tsegay,Asmelash Haile