The shell bone script for character Soil is
A big soil clod is on the horizon.
The big seal script for the character is
The big soil clod became to a vertical line with a big dot in the middle, which is a pointer to emphasize the soil above the horizon.
The small seal script for this character is
The clerical script is
土 is one of the Five Elements, a famous Chinese traditional philosophy which explains the universe natural phenomena by the relationship of Five Elements: Metal, Wood, Water, Fire, and Soil.