Find out the correct sentence about manure:
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out water from clayey soil
(iv) Its excessive use pollutes the environment because it is made of animal excretory waste.
(i) and (iii)
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
Find out the correct sentence about manure:
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out water from clayey soil
(iv) Its excessive use pollutes the environment because it is made of animal excretory waste.
(i) and (iii)
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
The correct option is B (i) and (ii)
The correct option is B.
The explanation for the correct option:
Statement (i):
- Manure is an organic substance that is utilized in agriculture as an organic fertilizer.
- Animal waste makes up the majority of manure; compost and green manure are alternative sources.
- As a result of the breakdown of plant and animal waste products, statement (i) is true.
- It is hence abundant in organic stuff.
Statement (ii):
- Manures add organic matter and several crucial nutrients, such as N, P, and K, to the soil, improving its fertility and promoting plant development.
- Retaining the soil in place increases soil structure and reduces soil erosion.
- In order to prevent water from being lost from the plant soil too soon through evaporation, it aids in managing the water retention capacity of the soil.
Explanations for the incorrect options:
Statement (iii):
Due to their big size and narrow pores, manures improve the water retention capacity of sandy soil and aerate clayey soil.
Statement (iv):
Statement (iv) is incorrect because manure, which is formed from animal excretory waste, is entirely organic and replenishes the soil with nutrients.
Final answer: The correct sentence about manure are:
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(i) and (ii)
The correct option is B.
The explanation for the correct option:
Statement (i):
- Manure is an organic substance that is utilized in agriculture as an organic fertilizer.
- Animal waste makes up the majority of manure; compost and green manure are alternative sources.
- As a result of the breakdown of plant and animal waste products, statement (i) is true.
- It is hence abundant in organic stuff.
Statement (ii):
- Manures add organic matter and several crucial nutrients, such as N, P, and K, to the soil, improving its fertility and promoting plant development.
- Retaining the soil in place increases soil structure and reduces soil erosion.
- In order to prevent water from being lost from the plant soil too soon through evaporation, it aids in managing the water retention capacity of the soil.
Explanations for the incorrect options:
Statement (iii):
Due to their big size and narrow pores, manures improve the water retention capacity of sandy soil and aerate clayey soil.
Statement (iv):
Statement (iv) is incorrect because manure, which is formed from animal excretory waste, is entirely organic and replenishes the soil with nutrients.
Final answer: The correct sentence about manure are:
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
