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Why is organic matter important for crop...

Why is organic matter important for crop production?

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(i) It helps in improving the fertility of soil.
(ii) It helps in increasing water holding capacity of sandy soil.
(iii) Large quantity of organic matter helps in drainage and in avoiding water logging in clayey soil.
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PRADEEP-IMPROVEMENT IN FOOD RESOURCES -MCQ
  1. What is a GM crop ? Name any one such crop which is grown in India .

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  2. List out some useful traits in improved crop ?

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  3. Why is organic matter important for crop production?

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  4. Why is excess use of fertilisers detrimental for environment?

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  5. Give one word for the following (a) Farming without the use of chemi...

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  6. A is an improved breed of cattle and B is an improved breed of chicken...

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  7. If there is low rainfall in a village throughout the year. What measur...

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  8. Group the following and tabulate them as energy yielding protein yield...

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  9. Define the term hybridisation and photoperiod.

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  10. Fill in the blanks (a) Photoperiod affect the "" (b) Kharif crops...

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  11. Cultivation practices and crop yield are related to environmental cond...

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  12. Fill in the blanks (a) A total of "" nutrients are essential to pla...

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  13. Differentiate between compost and vermicompost?

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  14. Arrange these statements in corrent sequence of preparation of green ...

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  15. In agricultural practices, higher input gives higher yield. Discuss ho...

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  16. Discuss the role of hydridisation in crop improvement.

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  17. Discuss various methods for weed control.

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  18. Give the merits and demerits of fish culture?

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  19. What do you understand by compositie fish culture?

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  20. Why bee keeping should be done in good pasturage?

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