Merits: The enrich agro-friendly contents make black cotton soil
fertile. These soils are highly moisture-retentive, thus responding well to
irrigation. These are enriched with calcium carbonate, magnesium, potash and
lime which are all nutrients. Poor phosphoric contents renders rich
production of corps like cotton. The iron-rich granular structure makes
them resistant to wind and water. Fertility, erosion resistance, and properties
of retaining moisture in their grain are the most useful condition for better
crops growth. So these soils are the best option for farmers who like to
produce plenty of crops.
Demerits: These soil
contains fine clay particles. This property induces a great affinity to
water of such type of soil. Alternate swelling and shrinkage in extensive limit
during wet and dry process respectively results cracks in soil without any
warning.
These cracks may sometimes extent to severe limit like ½” wide and 12” deep. So building to be founded on this soil may suffer severe damage with the change of atmospheric conditions.
These cracks may sometimes extent to severe limit like ½” wide and 12” deep. So building to be founded on this soil may suffer severe damage with the change of atmospheric conditions.