We detail the impact of abandoned traditional settlements (or bomas) on plant and nutrient succession in the Amboseli ecosystem, southern Kenya, over the course of a century. Plant and soil data were sampled on and around abandoned settlements. The term, ‘onsite’, refers to the area within the pe...
Muchiru, A.N.
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Western, D.
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Reid, Robin S.
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[The impact of abandoned pastoral settlements on plant and nutrient succession in an African savanna ecosystem]
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The impact of abandoned pastoral settlements on plant and nutrient succession in an African savanna ecosystem
Presents findings of a study carried out to determine differences between 24 sorghum varieties in digestibility of leaf and stem components and yield of stover. Emphasis is given to encourrage breeds involved in slelecting sorghum varieties for use on small farms where sorghum stover is an import...
Reed, J.D.
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Tedla, A.
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Jutzi, S.C.
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[Variations de la digestibilite des residus d'une variete de sorgho a une autre]
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Variations de la digestibilite des residus d'une variete de sorgho a une autre
Discusses changes in the floristic composition and biomass production of eragrostis and vetiveria grasslands due to the rainfall and flood deficits during 1980-86 in the Niger floodplain in central Mali.
Diarra, L.
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[Evolution des savanes a Vetiveria nigritiana et a Eragrostis barteri des plaines d'inondation du fleuve Niger (Mali central)]
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Evolution des savanes a Vetiveria nigritiana et a Eragrostis barteri des plaines d'inondation du fleuve Niger (Mali central)
Discusses, briefly, the principle of radiometric measurements and presents results of ground measurements on reflectance, grass cover (both green plants & total cover), and grass biomass in Sidamo, Ethiopia. Includes analysis of the correlation of the normalized difference green vegetation index ...
Planted fallow systems under slash and mulch management were compared with natural fallow systems at two farms (BM1 and BM2) in the Colombian Andes. The BM1 site was relatively more fertile than the BM2 site. Planted fallow systems evaluated included Calliandra calothyrsus CIAT 20400 (CAL), Ind...
Barrios, E.
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Cobo Borrero, Juan G.
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[Plant growth, biomass production and nutrient accumulation by slash/mulch agroforestry systems in tropical hillsides of Colombia]
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Plant growth, biomass production and nutrient accumulation by slash/mulch agroforestry systems in tropical hillsides of Colombia
Cassava (Manihot esculenta Crantz) is a staple food for a large sector of human population in the tropics. It is widely produced for its starchy roots by small farmers over a range of environments on poor infertile soils with virtually no inputs. It is highly productive under favorable conditions...
Phiri, S.
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Rao, Idupulapati M.
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Barrios, Edmundo
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Singh, B.R.
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[Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia]
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Plant growth, mycorrhizal association, nutrient uptake and phosphorus dynamics in a volcanic-ash soil in Colombia as affected by the establishment of Tithonia diversifolia
Rao, Idupulapati M.
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Borrero, V.
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Ricaurte Oyola, José Jaumer
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García, Ramiro
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Ayarza, Miguel Angel
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[Adaptive attributes of tropical forage species to acid soils. II. Differences in shoot and root growth responses to varying phosphorus supply and soil type]
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Adaptive attributes of tropical forage species to acid soils. II. Differences in shoot and root growth responses to varying phosphorus supply and soil type
Low phosphorus (P) supply is a major limitation to pasture establishment and production in highly weathered acid soils. Previous research showed that the forage legume, Arachis pintoi, was more efficient in acquiring P from infertile acid soils than the forage grass, Brachiaria dictyoneura. The m...
Rao, Idupulapati M.
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Borrero, V.
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Ricaurte Oyola, José Jaumer
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García, Ramiro
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[Adaptive attributes of tropical forage species to acid soils. V. Differences in phosphorus acquisition from less available inorganic and organic sources of phosphate]
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Adaptive attributes of tropical forage species to acid soils. V. Differences in phosphorus acquisition from less available inorganic and organic sources of phosphate
Friesen, Dennis K.
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Rao, Idupulapati M.
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Thomas, Richard J.
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Oberson, Astrid
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Sanz Scovino, José Ignacio
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[Adquisición y reciclaje de fósforo en sistemas de cultivos y pasturas en suelos tropicales de baja fertilidad]
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Adquisición y reciclaje de fósforo en sistemas de cultivos y pasturas en suelos tropicales de baja fertilidad