Question

what are the types of soil and their properties

Answer 1

Sandy soil :
Sandy soil have large particles and dry and gritty to touch.
Silty soil :
Silty soil have allergies particles than sandy soil and smooth to touch.
Clayey soil :
Clayey soil have smallest particles and sticky to touch. It has good water storage capacity.
Peaty soil :
Peaty soil is dark brown and black in colour ,soft and rich in organic matter.
Saline soil :
Saline soil is found in dry regions and brackish because of its high salt content.
Loamy soil :
Loamy soil is dark in colour and soft, dry and crumbly to touch.

Answer 2

Answer:

According to the kinds of particles and their proportion in the soil, it is classified into three types:

1. Loamy soil
2. Clayey soil
3. Sandy soil

Loamy soil

• Has same amount of large and small size soil particles.

• Contains silt, nutrients and humus.

• Silt is the smooth and quite fine quality of the soil that holds water better than sand.  Silt is easily transported by moving currents and it is mainly found near the river, lake, and other water bodies.

• Particle size between clay and sand.

• Well aerated.

• Good water retaining capacity.

• Best for gardening and farming.

Sandy soil:

• Usually formed from rocks like limestone, granite.

• Has high proportion of large size soil particles.

• Large spaces and pores between the soil particles.

• Water drains quickly through the sandy soil.

• Not good for growing most plants.

Clayey soil:

• Contains a large proportion of very small and fine particles of clay.

• Poorly aerated.

• Holds large amount of water.

• Not suitable for growing crops.

• Forms lumps with water and is used in pottery and making bricks.

Properties of soil are:

• Texture of the soil.

• Percolation rate of the soil.

• Water holding capacity.

Percolation of soil:

PERCOLATION RATE OF THE SOIL

 Percolation is the property of absorption of water by soil.  

 The percolation rate is the amount of water absorbed by any soil at any given time.

 Formula for calculating percolation rate is,  

Percolation rate (ml/min) = amount of water (ml) / percolation time          (min).

 For example, If 200 ml of water is percolated through the soil sample in 40 min. Calculate the rate of percolation.  

Solution – Rate of percolation is = amount of water (ml)/   percolation time (min)  

                                                 = 200 ml/ 40 min  

                                                 = 5 ml/ min  

Ans-  The rate of percolation is 5 ml/ min.

Explanation:

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