write the composition of soil on what basis the soil type is decided
Answers
Explanation:
Soil is a mixture of small particles of rock.It contains bits of decayed living organisms known as humus. Microscopic life also exists. (ii) Type of soil is decided by average size of particles found in it and quality of the soil decided by the amount of humus and the microscopic organisms found in it.
Answer:
Answer's below
Explanation:
first layer- this layer is known as the o horizon which consists of the organic matters and is a temporary layer.
second layer - it is also known as A horizon which consists of the minerals and the organic matter and it is also called as the top soil.
third layer - it is also known as the B horizon and it consists mainly of the minerals it is also known as the sub soil.
fourth layer - it is known as the C horizon and also known as the weathered or decomposed rocks.
fifth layer - it is known as the R horizon or the parent rock .
The soil type is decided by the infiltration rate, percolation rate, size of the granules and plasticity.