Question

Which is not a method of soil conservation?
A.Strip cropping
B.Overgrazing
C.Crop production
D.Mulching

Answer 1

Hint: Soil conservation is a method of improvements in the soil quality and its productivity. It involves the protection of the soil from becoming infertile and losing its abilities to give higher yield and weeds free crop.

Complete answer:
1.Strip cropping: It is a method of cropping in which cultivating fields are divided into long and narrow strips and cultivated alternatively so that crop rotations can be achieved. This method is used in steep slope areas. Ans can be used as a method for the prevention of soil erosion.

2.Overgrazing: In this method area of cultivation is exposed to the overgrazing by animals for a very long time period. This causes reduction in the applications of the land, biodiversity of the land and may lead to desertification.

3.Crop production: It is a branch of agriculture in which crops are grown for the use in the food industry and fibre industry. The technology is constantly getting advanced for increase in the crop yield, profits, fast service and better quality.

4.Mulching: In this method, organic and inorganic materials are layered on the top of the surface of soil to increase the moisture retention, improvement in soil fertility and reduction weed growth.

Hence, the correct answer is option (B)

Note: Overgrazing is a method in which intense grazing leads to decrease in the soil quality due to reduction in biodiversity in the area, it reduces the effectiveness of the native species and leads to production of non-native species and reduces the soil quality.