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10 Questions

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Nitrogen Fixation in Leguminous Plants

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Questions and Answers

What is the main difference between fertilizers and manure?

Fertilizers are rich in a particular nutrient, while manure is rich in multiple nutrients.

Fertilizers are produced in factories, while manure is produced naturally. (correct)

Fertilizers are used for soil irrigation, while manure is used for soil nourishment.

Fertilizers are produced naturally, while manure is produced artificially.

What is the benefit of using manure in soil?

It decreases soil texture and water retaining capacity.

It only replenishes the soil with nitrogen.

It does not replenish the soil with nutrients.

It improves soil texture as well as its water retaining capacity. (correct)

What is the result of excessive use of fertilizers?

It makes the soil less fertile. (correct)

It increases the fertility of the soil.

It makes the soil more fertile temporarily.

It has no effect on soil fertility.

What is the alternative to fertilizers to maintain soil fertility?

Substituting fertilizers with organic manure or leaving the field uncultivated. Signup and view all the answers

What is the purpose of crop rotation?

To replenish the soil with nutrients. Signup and view all the answers

What is an example of crop rotation?

Growing legumes as fodder in one season and wheat in the next season. Signup and view all the answers

What is the effect of fertilizers on water?

They become a source of water pollution. Signup and view all the answers

What is the benefit of using manure in soil nourishment?

It replenishes the soil with nutrients and improves soil texture and water retaining capacity. Signup and view all the answers

What is the purpose of using fertilizers?

To get better yield of crops. Signup and view all the answers

What are some examples of fertilizers?

Urea, ammonium sulphate, super phosphate, potash, and NPK. Signup and view all the answers