Meaning of the word marl in English

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

marl

US /mɑːrl/
UK /mɑːl/

Noun

a crumbly mixture of clays, calcium carbonate, and silt, used as a fertilizer for soils deficient in lime

Example:
Farmers often add marl to acidic soils to improve fertility.
The soil in this region is rich in natural marl deposits.