Why is potassium deficiency in plants most common on light, sandy soils?

A. percolation of water through sandy soils leaches potassium from the soil.
B. roots grown in sandy soil can't absorb potassium.
C. potassium ions are too tightly bound to sand particles to be used by plants.
D. plants grown in sandy soil don't require potassium.


A. percolation of water through sandy soils leaches potassium from the soil.

Biology & Microbiology

You might also like to view...

Most archaeal mRNAs like those of eukaryotes are spliced.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Vector-borne transmission can be either external or internal. In external (mechanical) transmission, the pathogen is carried

A. on a fomite. B. within the vector. C. on the body surface of a vector. D. All of the choices are correct.

Biology & Microbiology

The plasma membrane is composed of phospholipids, which are free to move laterally, and is peppered with both stationary and mobile proteins. This view of the plasma membrane is known as the:

A) semipermeable membrane model. B) phospholipid bilayer model. C) fluid-mosaic model. D) peppered membrane model.

Biology & Microbiology

If you are interested in observing a relatively simple community structure in a clear water lake, you would do well to choose diving into _____

A) an oligotrophic lake B) a eutrophic lake C) a relatively shallow lake D) a nutrient-rich lake E) a lake with consistently warm temperatures

Biology & Microbiology