In Acid Soils the Principal Chemical Form of Phosphorus Available

question 41

Multiple Choice

In acid soils the principal chemical form of phosphorus available for plant uptake is ____.

• A) P₂O₅
• B) H₂PO_4-
• C) P³⁺
• D) HPO_42-
• E) P^3-

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Definitions:

Wavelengths

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Light Trigger

A stimulus initiated by light that causes a specific response in organisms or systems.

Guttation

The appearance of water droplets on leaves, forced out through leaf pores by root pressure.

Dawn

Dawn is the time that marks the beginning of the twilight before sunrise, characterized by the appearance of soft light in the sky.