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  1. No Access

    Chapter

    Influence of Climatic Factor on Clay Mineralogy in Humid Asia: Significance of Vermiculitization of Mica Minerals Under a Udic Soil Moisture Regime

    Geology and climate had a clear impact on the clay mineral composition for the soils in humid Asia. In soils derived from mica-free parent materials, such as mafic volcanic rocks, the clay mineral composition ...

    Shinya Funakawa, Tetsuhiro Watanabe in Soils, Ecosystem Processes, and Agricultur… (2017)

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    Chapter

    Parent Materials and Climate Control Secondary Mineral Distributions in Soils of Kalimantan, Indonesia

    Secondary mineral distributions in soils from Kalimantan, Indonesia, were investigated to examine the effects of the parent materials and climate at different elevations on the distributions. B horizon soils w...

    Tetsuhiro Watanabe, Supiandi Sabiham in Soils, Ecosystem Processes, and Agricultur… (2017)

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    Chapter

    Significance of Active Aluminum and Iron on Organic Carbon Preservation and Phosphate Sorption/Release in Tropical Soils

    The effects of active Al and Fe (acid ammonium oxalate-extractable Al and Fe: Alo and Feo) on the preservation of organic carbon (OC) and sorption/release of phosphate in tropical soils are presented. For OC pres...

    Tetsuhiro Watanabe in Soils, Ecosystem Processes, and Agricultural Development (2017)