Define substratum and mention the features of substratum and clayey soil
Answers
Answer:
Substratum (C horizon) is the lowermost layer of the soil just above the parent rock layer. Although substratum contributes to the formation of the top soil, the top soil can be a mixture of soil from different regions as wind, water and other media carry soil along with them and deposit it over an area.
Answer:
THE LAYER OF SOIL WHICH IS JUST BELOW THE SUB SOIL IS CALLED SUBSTRATUM ( C-HORIZON)
THE SUBSTRATUM SHOWS THE FOLLOWING FEATURES
a ) IT IS MADE UP OF SMALL LUMPS OF BROKEN ROCKS FORMED BY THE PARTIAL WEATHERING OF BEDROCK
b ) THIS LAYER LACKS HUMUS ALTOGETHER AND IS INFERTILE
c ) THIS LAYER IS CHARATERISED BY CRACKS AND CREVICES
FEATURES OF CLAYEY SOIL ARE AS FOLLOWS
a ) CLAYEY SOIL TURNS HARD ON DRYING
b ) CLAYEY SOIL IS HEAVY BECAUSE IT CAN HOLD MORE WATER
c ) CLAYEY SOIL IS STICKY WHEN WET
Explanation: