Soil fertilizer (4 letters)

{ Answer }

MARL

{ Related Clues }

Loose, crumbly earth
Clay-sand mixture
Highly valued fertilizer
Peacock-feather product
Clayey deposit
Rich soil
Dickinson's "A Visitor in ___"
Common fertilizer
Clayey sediment
Earthy deposit
Loam
Soil type
Soft soil
Earth
Crumbly soil
Fertilizer
A fertilizer
Clayey fertilizer
A soil fertilizer
Clayey soil
Clay
Clayey mixture

{ Tags }

clay, clayey, common, crumbly, deposit, dickinsons, earth, earthy, feather, fertilizer, highly, loam, loose, marl, mixture, peacock, product, sand, sediment, soil, valued

{ Notes }

The answer MARL is uncommon, appearing about once every 375 puzzles.

{ Definition }

MARL as a noun:

1. a loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer for soils deficient in lime