Soil - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Points To Remember:
Soil is one of the most important natural resources
Soil is the home for many organisms and it is essential for agriculture
The rotting dead matter in soil is called humus
Soil is formed by the process of weathering
The mixture of rock particles and humus is called the soil
Soil is of different types clayey, loamy and sandy
The phenomenon of absorption of water by soil is termed as percolation. The percolation rate of water is different in different types of soil, it is highest in sandy soil and least in the clayey soil
If the soil is made of a greater proportion of big particles, it is called sandy soil.
Clayey soils are heavy and hold more water.
Loamy soilis a mixture of sand, soil and silt
Cereals like wheat and gram are grown in clay and loamy soils, because these soils have better water retention capacity
Clay soils are rich in humus and fertile. These soils are very good for wheat.