MEDIUM
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Write the advantages of manure over fertilizers.

Important Questions on Food Production and Management

EASY

Fertilizers and pesticides are harmful to soil as they kill the microorganisms involved in recycling of nutrients.

EASY
Define manure. What are the advantages of manure?
MEDIUM
Differentiate between chemical and natural fertilizers.
MEDIUM
Differentiate between the following:
Compost and fertilizers.
MEDIUM
Which crop is generally grown between two cereal crops in crop rotation to restore the fertility of soil?
MEDIUM
Write two examples of chemical fertilizers.
MEDIUM
Explain how fertilizers are different from manure.
MEDIUM
Differentiate between the following:
Compost and green manure.
MEDIUM
Explain how soil gets affected by the repeated growing of crops in the same fields. How does use of fertilizers help the farmers?
MEDIUM
Differentiate between mixed cultivation and crop rotation.
MEDIUM
Give the advantages and disadvantages of using chemical fertilizers for the cultivation of crop.
EASY
What is a fertilizer? Name any two fertilizers. State two harmful effects caused by the excessive use of fertilizers.
MEDIUM
Which of the following is a chemical fertilizer?
EASY
Name the process in which red worms are used to turn waste into compost.
EASY
Name the two types of substances which are added to the fields by the farmers to maintain the fertility of soil.
MEDIUM
Which one has a role to play in the percolation of water into the deeper layers?
MEDIUM
Explain how soil gets affected by the continuous plantation of crops in a field.
MEDIUM
Give any four differences between manure and fertilizers