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- W2784995938 abstract "Thionic Fluvisols soil in Southern Vietnam is like typical acid sulfate soil in the tropics and is severely polluted due to human activities. Salinity intrusion and industrial wastewater contamination are the main cause of environmental degradation in soil ecosystem. This research was aimed to determine a link between biochemical soil properties and land use types to provide suitable solutions for afforestation and soil restoration. Soil sampling was conducted in five different land use types at four soil layers (O, AB, Bj and Cp). The five land use types were sugarcane crop; Melaleuca plantation; 2-year Acacia plantation; 5-year Acacia plantation; and control (grass-covered land). The results showed that soil in those five land use types were very acidic (pH ≤ 4) having poor-nutrient condition with range of orthophosphate content of 378 - 640 mg/kg, N-NH 4 of 586 - 999 mg/kg and N-NO 3 of 830 - 1,112 mg/kg. Concentration of toxic ions was very high with large variation among land use types and soil depths i.e. 1,799 – 12,403 mg SO 4 2- /kg; 22 - 1,645 mg exchangeable Fe/kg and 34 - 88 mg Al 3+ /kg soil. The lowest concentration of exchangeable Fe 3+ and SO 4 2- ions were found in sugarcane and Melaleuca plantations, respectively. Twenty-three sulfur-oxidizing bacteria and two iron-oxidizing bacteria were identified. All these bacteria were initially identified as Thiobacillus sp. Sugarcane and Melaleuca plantations exhibited the most diverse Thiobacillus species which linked to reduction of exchangeable Fe and SO 4 2- concentrations in these two land use types. This study indicated that Thiobacillus sp. could grow well in the Thionic Fluvisols. It is proposed that Melaleuca and sugarcane species could reduce iron and sulfur contents in Thionic Fluvisols in the tropics." @default.
- W2784995938 created "2018-02-02" @default.
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- W2784995938 date "2017-12-01" @default.
- W2784995938 modified "2023-09-24" @default.
- W2784995938 title "BIOCHEMICAL CHARACTERISTICS OF THIONIC FLUVISOL LINKED TO LAND USE TYPES IN SOUTHERN VIETNAM" @default.
- W2784995938 cites W2099648436 @default.
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- W2784995938 doi "https://doi.org/10.11598/btb.2017.24.3.736" @default.
- W2784995938 hasPublicationYear "2017" @default.
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