Answer | Crossword Clue |
---|---|
HARDPAN | Clay layer under soil |
HARDPAN | Firm layer of clay underlying soft soil. |
MARL | Clay-rich soil |
LOAMY | Like clay-rich soil |
LOAM | Sand, clay and silt soil |
LOAM | Soil layer |
SOLUM | Soil layer |
HARDPAN | Compact soil layer |
GLEY | Wet soil layer |
PERMAFROST | Layer of soil that never thaws |