marl
US /mɑːrl/
UK /mɑːl/
名词
泥灰岩
a crumbly mixture of clays, calcium carbonate, and silt, used as a fertilizer for soils deficient in lime
示例:
•
Farmers often add marl to acidic soils to improve fertility.
农民经常在酸性土壤中添加泥灰岩以提高肥力。
•
The soil in this region is rich in natural marl deposits.
该地区的土壤富含天然泥灰岩沉积物。