The way in which cation exchange makes mineral ions available for absorption by the plant roots. Introduction: Soil is a thin layer of the Earth’s crust. There are large numbers and different types of organisms that colonize the soil. These organisms depend upon the soil for their shelter and food. Almost all the essential nutrients, water, and minerals for the growth of plants are directly obtained from the soil. The roots absorb water and dissolved minerals. The dissolved minerals are transported from the roots to the leaves throughout the plant in the xylem.

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Chapter 36.3, Problem 2C

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To describe: The way in which cation exchange makes mineral ions available for absorption by the plant roots.

Introduction: Soil is a thin layer of the Earth’s crust. There are large numbers and different types of organisms that colonize the soil. These organisms depend upon the soil for their shelter and food. Almost all the essential nutrients, water, and minerals for the growth of plants are directly obtained from the soil. The roots absorb water and dissolved minerals. The dissolved minerals are transported from the roots to the leaves throughout the plant in the xylem.

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