Physico-chemical and bacterial profiling of soils for describing a land-degradation gradient von Doi, Ryoichi, Puriyakorn, Bunyarit

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Improvement of Biological Productivity in Degraded Lands in Thailand III. Soil hardness measurement in the field von SAKURAI, Katsutoshi, PURIYAKORN, Bunyarit, PREECHAPANYA, Pornchai, TANPIBAL, Virat, MUANGNIL, Kanit, PRACHAIYO, Buared

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Changes in soil properties after land degradation associated with various human activities in Thailand von Sakurai, Katsutoshi, Kozasa, Shinichi, Yuasa, Takayuki, Puriyakorn, Bunyarit, Preechapanya, Pornchai, Tanpibal, Virat, Muangnil, Kanit, Prachaiyo, Buared

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Mineralogical and physico-chemical properties of four Thai soils with special reference to specific surface area (SSA) and zero point of charge (ZPC) von Sakurai, Katsutoshi, Kozasa, Shinichi, Puriyakorn, Bunyarit, Preechapanya, Pornchai, Tanpibal, Virat, Muangnil, Kanit, Prachaiyo, Buared

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タイの土壌劣化地における生物生産力の回復III. 野外での土壌硬度の測定 von 櫻井, 克年

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