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 of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
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 of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
(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 of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
A
(i) and (iii)
B
(i) and (ii)
C
(ii) and (iii)
D
(iii) and (iv)
Text Solution
Verified by Experts
The correct Answer is:
B
Manures are the natural fertilisers . They are bulky sources of organic matter which supply nutrients in small quantities and organic in large quantities Manures are prepared by the decomposition of animal excreta and plant waste. Manures include farm yard manure (FYM) compost green manures vermicompost etc.
Advantages of manures Manures affect the soil in following three ways nutrients in the soil.
(ii) Manures add organic matter (called humus) to the soil which restores the soil texture for better retention of water and aeration of soil.
(iii) the organic matter in manures provides food for the soil organisms (decomposers such as bacteria fungi etc.) which help in providing nutrients to plants.
Advantages of manures Manures affect the soil in following three ways nutrients in the soil.
(ii) Manures add organic matter (called humus) to the soil which restores the soil texture for better retention of water and aeration of soil.
(iii) the organic matter in manures provides food for the soil organisms (decomposers such as bacteria fungi etc.) which help in providing nutrients to plants.
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