Which of the following statements about minerals in soil is true?
A) There are only two mineral ions, potassium and magnesium, that are essential for plant growth.
B) Negatively charged mineral ions are often washed out of the root zone.
C) Clay minerals are usually positively charged.
D) Clay minerals very rarely have charged ions
E) Clay particles may "hold" mineral ions in the soil and prevent their use by plants.

Question

Quizplus · Accepted Answer

Negatively charged mineral ions, such as nitrates, are more prone to leaching because they are not attracted to the negatively charged soil particles, leading them to be washed out of the root zone.

Which of the Following Statements About Minerals in Soil Is