| Answer | Crossword Clue |
|---|---|
| pedocal | soil rich in carbonates, esp. those of lime |
| pedalfer | soil rich in alumina and iron, with few or no carbonates |
| chernozem | soil common in cool or temperate semiarid climates, very black and rich in humus and carbonates |
| chernozems | A fertile black soil rich in humus, with a lighter lime-rich layer beneath. Such soils typically occur in temperate grasslands such as the Russian steppes and North American prairies |
