Why Do Soils That Contain a High Percentage of Clay

question 104

Multiple Choice

Why do soils that contain a high percentage of clay retain plant nutrients so well?

• A)The ions of clay tend to be positively charged while nutrients tend to be negatively charged.
• B)Water cannot penetrate through clay very well, which means that nutrients are not readily washed away.
• C)Clay contains many magnetic particles, which have the effect of holding onto the nutrients.
• D)Because of a lack of water, the nutrients are not dissolved, which means they adhere as a solid to the clay particles.

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