Question

about black soil

friends please tell me because it is a project work
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Answer 1

Answer:

Chernozem is a black-colored soil containing a high percentage of humus and high percentages of phosphoric acids, phosphorus, and ammonia. Chernozem is very fertile and can produce high agricultural yields with its high moisture storage capacity.

Explanation:

Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep. Two categories of black soils (1st and 2nd categories) are recognized. ... CEC in the black surface horizons ≥25 cmol/kg; and. A base saturation in the black surface horizons ≥50%.

Answer 2

Answer:

Black soil:Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep.

1. Black soil is also known as Chernozem.
2. It contains a high percentage of humus. phosphoric acid, phosphorus as well as ammonia.

Characteristics of black soil:

1. It has a clayey texture and is very fertile in nature.
2. The pH of black soil ranges from
3. It is generally soft when wet but gets hard on drying.
4. The soil is rich in Potash/Calcium/Magnesium but less in Nitrogen/Phosphate content.