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Soil organic carbon (SOC) and total nitrogen (total N) stocks in 0–0.3 and 0.3–1.0m soil layers were estimated following the standard procedures for three vegetation communities; Schefflera-Hagenia, Hypericum-Erica-Schefflera, and Erica arborea (shrub size), at different topographic aspects (east-, west-, north- and south-facing) on the Bale Mountains in the south-eastern highlands of Ethiopia. The...
There is little information available about the molecular composition of organic fractions with a possible bearing in soil water repellency. Extremely water-repellent forest soils developed on granites or schists, under vegetation of pine or eucalyptus, were used for sequential isolation of two lipid fractions: free lipid extracted with petroleum ether and ‘bound’ lipid obtained with the same solvent...
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