MEDIUM
9th Manipur Board
IMPORTANT
Earn 100

Give two harmful effects of chemical fertilizers on the soil.

Important Questions on Food - Higher Yields

MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 12
How can we replenish soil nutrients through crop rotation?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 13
Define fallowing.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 14
What do you mean by manure and manuring?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 15
Define compost. How it is prepared?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 16
Write three differences between rural compost and urban compost.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 17
What is farmyard manure? What it its NPK composition?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 18
Give two difference between edible and non-edible oil cakes.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 17 - Food - Higher Yields>EXERCISES>Q 19
What is meant by green manuring?