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Why earthworms has got the names of ''fa...

Why earthworms has got the names of ''farmer's friends' and bioglogical indicators of soil fertility ?

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The disposal of solid wastes (bio-degradable and non-biodegradable ) remains a serious challenge in most of the countries.
Earthworms play a vital role in maintaining soil fertility, hence these worms are called as ..farmer.s friends... These are also called as ..biological indicators of soil fertility... The reason is that they support bacteria, fungi, protozoans and a host of other organisms which are essential for sustaining a healthy soil.
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Biological indicators of soil fertility

What are biological indicators of soil fertility?

Identify the correct statements from the below. (I) Vermicompost is the primary goal of vermiculture. (II) Earthworms play a vital role in maintaining soil fertility. (III) Earth worms are called as "farmer's friends". (IV) Frogs are called as "biological indicators of soil fertility".

Why earthworm is called as farmer's friend?

Assertion : Earthworm are known are known as friends of farmers Reason : Earthworms make burrows in the soil and make the soil porous, which helps in repiration and penetration of developing plant roots.

PREMIERS PUBLISHERS-TRENDS IN ECONOMIC ZOOLOGY-OTHER IMPORTANT QUESTIONS & ANSWERS (Answer the following questions)
  1. Write the relationship between the soil and earthworm.

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  2. What is vermicompost?

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  3. Why earthworms has got the names of ''farmer's friends' and bioglogica...

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  4. What is Vermicast?

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  5. How are earthworms divided?

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  6. Differentiate endemic and exotic species of earthworms with example

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  7. How can we prepare vermicompost bed for culturing earthworms as well a...

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  8. What is vermiwash? From where can we obtained it. What is the use of i...

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  9. What are the enemies of earthworm?

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  10. Define -Sericulture?

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  11. Write the three main components of sericulture

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  12. Write down the various steps of development involved in the life cycle...

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  13. Classify the races of Bombyx mori on the basis of its moulting

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  14. Write few species of silk moth and the types of silk obtained from the...

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  15. What is Voltinism? Classify the races of Bombyx mori or mulberry worm ...

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  16. What is moriculture?

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  17. What are the improved mulberry varieties?

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  18. How can we prepare a rearing house for silkworm, and how can it be rea...

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  19. What are various appliances used for rearing Silkworms ?

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  20. What are the stages involved in rearing process of silkworm?

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