Crossword clues for the word: MARLS The word MARLS has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for MARLS Showing 1 to 9 of 9 results Clue(s) Clay mixtures Clayey deposits. Clayey soils Crumbly earth deposits Crumbly soils. Crumbly, friable soils Earthy deposits. Fertilizes with loam Loose clays