Modification to the Schatchabell method for the determination of exchangeable bases in salinity soils
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Abstract
method has with the determination of exchangeable bases in
salts affected soils, by the influence of joint extraction of soluble
ions and adsorbed base, was studied the possible introduction
of a modification that consist in the preview elimination of
soluble ions in the self Schatchabell tube with alcohol solutions
and after the use of NC 65: 2010 Standard. The results in the
samples of 0 to 20 cm shown that 25 % and 50 % ethylic alcohol
solutions ameliorated the relations between CEC and BEC of
the soils, while in the samples of 0 to 100 cm, these extractions
respect to control method (Pfeffer), showed the convenience
of the use of 50 % ethylic alcohol solution because the finished
results haven�??t statistic differences with the Pfeffer method.
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