Page 328 - New Medley 4 Semester 1

by planting more trees on hill slopes and by keeping

the soil covered with plants. Overgrazing destroys
vegetation and soil. Therefore, overgrazing must be

checked. We should use organic fertilizers in place of
chemical fertilizers. Chemical fertilizers pollute soils.

We should follow crop rotation to enhance fertility of
the soil.

AT ONE GO
 The soils of India can be classified into six major groups, according to their colour and composition.

 Alluvial soil is found in the Northern Plains. It is very fertile for growing all types of crops.
 Mountain soil is rich in humus.
 We must protect the fertility of soils.

REMEMBER THESE TERMS

Alluvial soil : The sand, silt and clay deposited in the Northern Plains of India
Leaching : It occurs when heavy rains wash away the fertile layer of soils

Check Your Study

A. Tick () the correct answers.

1. This type of soil is rich in humus.
(a) Mountain (b) Laterite (c) Alluvial

2. Mountain soil is good for the production of

(a) wheat (b) jute (c) tea
3. Black soil is mostly found in

(a) Maharashtra (b) Bihar (c) Kerala
4. Which of these is not a part of the natural soil?

(a) Clay (b) Compost (c) Silt

B. Name the soil type that is

1. Formed from lava rocks

2. Formed due to leaching

3. Found on hill slopes

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