Sustainable agriculture in practice: the production potential and the environmental effects of macro-contourlines in the west Usambara mountains of Tanzania
Dissertation (Doktor der Agrarwissenschaften) - Universitaet Hohenheim (Germany). Fakultaet III Agrarwissenschaften I (Pflanzenproduktion und Landschaftsoekologie)
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| Format: | Texto biblioteca |
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(np) npub)
1990
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| Subjects: | PLANT PRODUCTION, ENVIRONMENTAL FACTORS, HIGHLANDS, YIELDS, PRODUCTION VEGETALE, FACTEUR DU MILIEU, REGION D'ALTITUDE, PRODUCCION VEGETAL, FACTORES AMBIENTALES, ZONA DE MONTANA, RENDEMENT, RENDIMIENTO, |
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