Meaning of the word "rich in" in English

What does "rich in" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

rich in

US /rɪtʃ ɪn/
UK /rɪtʃ ɪn/

Phrase

containing a large amount of something good or useful

Example:
This soil is rich in nutrients, perfect for growing vegetables.
The book is rich in historical detail.