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Challenging Plants: Soil Science - Practicals

Description

The nature of soil particles (inorganic and organic) and of soil water affects plant growth and, in particular, the availability of nutrients essential for the growth of quality crops in high yield. An understanding of the media in which plants grow helps scientists to exploit their potential.

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This resource has been provided by, or developed in partnership with, Reckitt Benckiser
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Practical determination of the cation exchange capacity of soil using methylene blue and colorimetry. Cation exchange is an example of a reversible process and cation exchange capacity is a measure of the position of dynamic equilibrium. Student version.