What is it about?
Several methods have been adopted for the determination of the cation exchange capacity (CEC) of soils. We have compared three methods for the determination of CEC for benchmark soils in southwestern Nigeria with a view to selecting the best suited method for the soils in the region. We have also compared the individual input of clay and organic matter to the CEC of these soils.
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Why is it important?
Two significant findings are that: a) ECEC gives the best estimate of the CEC of soils in this region and b) we identify that soil organic matter contributed more to the CEC of the soils.
Perspectives
This article affords soil scientist the opportunity to identify the method that best estimate the CEC of the soils in the rainforest region of southwestern Nigeria, thus eradicating errors (over-/under-estimation) that may likely have risen by the use of other methods. It also further confirm the theory that soils in this region are composed of kaolinitic clay.
Oluwatoyosi Oyebiyi
Obafemi Awolowo University
Read the Original
This page is a summary of: Comparative study of three methods of determining cation exchange capacity of three major soils in the rainforest region of Southwestern Nigeria, Communications in Soil Science and Plant Analysis, July 2018, Taylor & Francis,
DOI: 10.1080/00103624.2018.1499768.
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