MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why do farmers normally use a mixture of manures and fertilizers in their field?

Important Questions on Crop Production

MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
What method of irrigation will you use if you live in a dry area with shortage of water? Explain the method.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
What is waterlogging? How does it harm the crops? How can it be prevented?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Discuss two methods of weeding in which poisonous chemicals are not used.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Differentiate between insecticides, rodenticides and fungicides. Which of these are pesticides?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Discuss with an example how hybridization is used for developing new varieties of crops with desired characteristics.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Differentiate between nitrification and denitrification.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q E
What are the advantages of ploughing the soil before sowing seeds?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q E
What precautions must be kept in mind while sowing seeds in a field?