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Changes in the chemical and mineralogical properties of Mt. Talang volcanic ash in West Sumatra during the initial weathering phase
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Determination of the geochemical weathering indices and trace elements content of new volcanic ash deposits from Mt. Talang (West Sumatra) Indonesia
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Evaluating weathering indices of new pyroclastic deposits from Mt. Talang (Sumatra) and Mt. Merapi (Java), Indonesia. Soil Micromorphology, micro-investigation on the earth’s critical zone
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Properties and utilisation of andisols in Indonesia
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Influence of silicate application on P sorption and charge characteristics of Andisols from West Sumatra, Indonesia.
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Effect of calcium silicate and superphosphate application on surface charge properties of volcanic soils from west Sumatra, Indonesia.
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Phosphate sorption characteristics of allophanic soils from West Sumatra, Indonesia.
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Mineralogy and sand surface morphology of some volcanic ash soils from West Sumatra, Indonesia
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Mineralogical and charge properties of volcanic ash soils from West Sumatra, Indonesia.
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Mineralogy and chemical properties of Andisols from West Sumatra, Indonesia. 16e World Congress of Soil Science. Montpellier (20-26 Aug.), France, 1998.