Soil Conservation

Q. What is inter cropping

Q.

Cultivation practices and crop yield are related to environmental condition. Explain.

Q. What are the methods to control soil pollution?

1. Reduce the use of chemical fertilizers
2. Reforestation
3. Follow the 3 R's principle-reduce, reuse, recycle
4. All of the above

Q.

38) Name one compound of silver which is used for cloud seeding

Q. Rotation of crops means

1. Growing of different crops in the same area in sequential seasons.
   
2. Alternating crops with fruits over a period of years.
3. Growing two or more crops simultaneously to increase productivity.
   
4. Shifting of the area of same crops.

Q.

Intercropping is

1. growing only one crop in a field at a time.

2. growing two or more crops simultaneously in the same field in a definite pattern.

3. growing different types of crops in different seasons.

4. growing crops in straight columns.

Q.

Which one of the following describes a system of agriculture where a single crop is grown on a large area?

1. Shifting Agriculture

2. Plantation Agriculture

3. Horticulture

4. Intensive Agriculture

Q. What is crop rotation?

Q. Why is kulhad replaced by paper cup?

1. Making of kulhad on large scale would result in loss of the top layer of fertile soil.
2. Making of kulhad on large scale would be result in loss of soil.
3. Making of kulhad on a large scale would result in more of the first layer of fertile soil.
4. None of these

Q. Is it a good practice to remove grass and small plants that are growing in an open, unused fields? Give reason to support your answer.