Why might a soil that has a sufficient concentration of a mineral element, for example, calcium, not have sufficient

availability of the element to maximize plant growth rates?



What will be an ideal response?


ANSWER: Chemical reactions in soils are dependent on soil pH. If the pH is too high or too low, the
nutrient element can be in a form that is unavailable to roots. Therefore, pH can have a
major impact on whether plant roots take up various mineral cations, independent of the
concentration on the mineral element in the soil.

Biology & Microbiology

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