Question

Please help me Please​

Answer 1

Answer:- 1

• North of northern plains where the great Himalayas are located and from Himalayas many rivers flows and these rivers contains organic minerals, and fine silt. On reaching the plains the river slow down and deposit the minerals and fine silt. This makes the area extremely fertile.

$\rule{60mm}{2pt}$

Answer:- 2

• Alluvial soil is generally covered by tall grasses and forests. So crops grown in alluvial soil are cotton, soybean, jute, fruits, oilseeds, vegetables, tobacco, sugarcane and rice.

$\rule{60mm}{2pt}$

Answer:- 3

• The soil formed from lava rocks is black soil. This soil is rich in humus, iron and also contain high quality of magnesium, alumina and lime which helps in cotton crop production. So, cotton is suitable crop grown in black soil formed by lava(igneous) rocks.

$\rule{60mm}{2pt}$

Answer:- 4

• Inceptisols, Andisols are the soil found in mountainous region. They have the capacity to hold climate of mountainous region. This type of soil is not highly weathered and does not contain silicate clay.

$\rule{60mm}{2pt}$

Answer:- 5

• Soil erosion causes by overgrazing which also causes high floods.
• Activities like construction also cause as cause of soil erosion.
• Deforestation is one of the most cause for soil erosion.
• Other cause for soil erosion are heavy winds, loss of arable land,etc.

$\rule{60mm}{2pt}$

Answer:- 6

• Maintaining a healthy, perennial plant cover.
• Methods like strip cropping, terrace farming, No till planting , contour cropping, help to prevent soil erosion.
• Terrace farming restricts soil erosion as steps are cut down in slops which do not remove the layers of fine minerals of soil

$\rule{60mm}{2pt}$

Answer:- 7

• Black soil is suitable for the growth of cotton because it is also known as regur soil which is found in the lava plateau and deccan plateau. This is because it is deep and clayey and it swells when it is wet and contracts when dry. Therefore , it develops wide crack during summer.