Question

5. Which of the following agricultural techniques can best maintain soil fertility?

(a) Terrace cultivation
(b) Strip cropping
(c) Crop rotation
(d) Contour ploughing​

Answer 1

Answer:

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Explanation:

Soil fertility can be further improved by incorporating cover crops that add organic matter to the soil, which leads to improved soil structure and promotes a healthy, fertile soil; by using green manure or growing legumes to fix nitrogen from the air through the process of biological nitrogen fixation; by micro-dose ...

Answer 2

The following agricultural technique can be the best one to maintain soil fertility: ( Option - c )

• There are many methods to maintain soil fertility like Crop Rotation, Green Manuring, Cover Cropping, and Fallowing of land.
• A systematic way of growing different kinds of crops in periodic sequence on the same land is known as 'Crop Rotation'.
• Crop rotation can be classified into 3 types depending on the duration:

1. 1-year Rotation [ Wheat - Rice, Mustard - Maize ]
2. 2-year Rotation [  Fenugreek - Sugarcane - Mustard - Maize, Peas - Sugarcane - Potato - Maize ]
3. 3-year Rotation

• Therefore Crop Rotation is the best agricultural technique to maintain soil fertility.

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