EASY
Earn 100

What are the types of fertilizer?

Important Questions on Improvement in Food Resources

MEDIUM
Give the advantages and disadvantages of using chemical fertilizers for the cultivation of crop.
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
Explain how fertilizers are different from manure.
MEDIUM
Differentiate between the following:
Compost and green manure.
EASY
What is a fertilizer? Name any two fertilizers. State two harmful effects caused by the excessive use of fertilizers.
MEDIUM

Out of the 16 essential nutrients of plants, how many are macro nutrients?

MEDIUM
Differentiate between chemical and natural fertilizers.
MEDIUM
Chemical fertilizers and pesticides help plants to grow quickly. They also help plants to give more fruit. However, some people say that using fertilizers is not good for plants, and that it would be better for farmers to use natural (organic) fertilizers. What do you think? Find out what you can about organic farming.
 
MEDIUM
Give any four differences between manure and fertilizers
MEDIUM
Explain how soil gets affected by the continuous plantation of crops in a field.
MEDIUM
How do we obtain manure from animals?
EASY
Name the two types of substances which are added to the fields by the farmers to maintain the fertility of soil.
EASY
Overuse of pesticides lowers the _____ of soil.
MEDIUM
Differentiate between the following:
Compost and fertilizers.
EASY
Microorganisms act upon the dead plants to produce _____.
EASY
Define manure. What are the advantages of manure?
MEDIUM
Explain with the help of an example, how the excessive use of chemical fertilizers drastically alters the soil chemistry.
MEDIUM
Write in your own words about the way in which animals and plants help to preserve and enrich the soil.
MEDIUM
What material should be added to a soil which is too basic? How does this material help in reducing the basic nature of soil?
EASY

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