Cation Exchange Capacity
Mapping Soil Cation Exchange Capacity in a Semiarid Region through Predictive Models and Covariates from Remote Sensing Data
... ABSTRACT: Planning sustainable use of land resources requires reliable information about spatial distribution of soil physical and chemical properties related to environmental processes and ecosystemic functions. In this ...
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CATION EXCHANGE CAPACITY OF AN OXISOL AMENDED WITH AN EFFLUENT FROM DOMESTIC SEWAGE TREATMENT
... effective cation exchange capacity (ECEC) was the cation exchange capacity calculated by cations removed with barium chloride solution (CEC S ...actual cation ...
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Effects of Land Use Practices on the Organic Carbon Content, Cation Exchange Capacity and Aggregate Stability of Soils in the Catchment Zones
... Land use practices and land use shifting lead to soil erosion, leading to negative changes in the soil physico- chemical properties, especially Soil Aggregate Stability (SAS), Soil Organic Carbon (SOC) and Cation ...
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Chemical properties of soils treated with biological sludge from gelatin industry
... Potential cation exchange capacity (CeC at ph 7.0) was not calculated by the sum of bases plus potential acidity because the experiment was carried out in a closed environment with salt accumulation. ...
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Chemical changes in an oxisol treated with pyroligneous acid
... Soils with high clay, iron-oxides and aluminum- oxides content are favorable for the adsorption of phosphorus (Basso et al., 2005). Thus, in the clayey Oxisol used in this research, a poor movement of P was expected in ...
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Mat. Res. vol.15 número3
... in the matrix is usually made in twin-screw extruders. In this study, bentonite clay was modified by cation exchange capacity (CEC) reaction with a quaternary ammonium salt at 100% of CEC of the ...
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Influence of long-term mineral fertilization on metal contents and properties of soil samples taken from different locations in Hesse, Germany
... cation exchange capacity (CEC)) and pseudo-total and mobile metal contents of soils after 14 years of fertilizer application and to determine residual effects of the fertilization 8 years after ...
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ENVIRONMENTAL BEHAVIOR OF SOILS AND MIXTURES OF SOIL-WHITEWASH MUD
... and cation exchange capacity (EMBRAPA, 1990); (d) determination of the organic carbon con- tent (WALKLEY, 1947); and (e) X-ray diffraction for determination of clay fraction minerals (FORMOSO, ...
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A Study of South African Natural Zeolites Properties and Applications
... acceptable cation exchange capacity compared to the theoretical capacity of clinoptilolite (according to literature CEC is ...lowest cation exchange capacity of 0.32 ...
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Investigations on Cationic Exchange Capacity and Unused Bed Zone according to operational conditions in a Fixed Bed Reactor for water lead removal by a natural zeolite
... that cation exchange on zeolites is an effective and economic way to treat industrial heavy metals contaminated wastes (Keane, 1998; Rodríguez-Iznaga et ...2004). Cation Exchange ...
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Assessment of sugarcane trash for agronomic and energy purposes in Brazil
... Table 1 − Chemical characteristics of soil in the experimental area. SOM: organic matter. BS: base saturation. CEC: cation exchange capacity... Taking moisture into con- sideration, it i[r] ...
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Eduardo Fávero Caires1 ; Evandro Henrique Gonçalves Maschietto2 ; Fernando José Garbuio3 ; Susana Churka4 ; Hélio Antonio Wood Joris2
... the cation exchange capacity of roots is lower in corn than in soybean (Fernandes and Souza, 2006) we hy- pothesize that (i) corn and soybean crops would present different responses to gypsum and ...
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J. Braz. Chem. Soc. vol.27 número5
... high cation exchange capacity, which are important in the area of environmental engineering and these properties render the clay a barrier to heavy metal ...
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Use of Correlation Relationships to Enhance Understanding of Pedogenic Processes and Use Potential of Vertisols and Vertic Inceptisols of the Bale Mountain Area of Ethiopia
... In Ethiopia, Vertisols cover 12.6 million ha, or about 10.3% of the country (4). In addition, there are 2.5 million ha of soils with vertic properties. Vertisols are important to Ethiopian agriculture. Vertisols are ...
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The Effects of Gap Disturbance on Soil Chemical and Biochemical Properties in a Mixed Beech – Hornbeam Forest of Iran
... nitrogen, cation exchange capacity (CEC), phosphorus, potassium, calcium, nitrogen mineralization, microbial respiration, earthworms density and biomass of soil samples (0 – 15, 15 – 30 and 30 45 cm ...
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Effect of biofertilizer on soil fertility and lettuce nutrition
... Ca = calcium, Mg = magnesium, K = potassium, P = phosphorus, Zn = zinc, MO = organic matter, CTC = cation exchange capacity, V% = base saturation and pH = hydrogen potential. T1 = Weekly spraying of ...
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Cerâmica vol.59 número352
... Cation exchange capacity: cation exchange capacity (CEC) is defi ned as the amount of exchangeable cations that a clay mineral can absorb at a specifi c ...The exchange ...
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RecoveRy of an oxisol DegRaDeD by the constRuction of a hyDRoelectRic PoweR Plant
... for cation exchange capacity (cec) and macroporosity, as well as the highest values of soil bulk density and percentage of aggregates with diameter size ...
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Avaliação de atributos morfológicos, físicos e químicos de Ferralsolos e solos relacionados.
... and cation exchange ...studied. Cation exchange capacity is also low and related to the kaolinitic and oxihydroxydic composition of the clay ...to cation exchange ...
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Impact of sediment–seawater cation exchange on Himalayan chemical weathering fluxes
... additional cation exchange fluxes that have been very poorly constrained so ...of cation exchange fluxes from the Ganga–Brahmaputra river system based on cation exchange ...
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