Fertilizers have short-term benefits whereas manures have long-term benefits. Do you agree with this statement? Give three reasons in support of your answer.
(N/A) Yes,$I$ agree with this statement. In contrast to the long-term benefits of manures,fertilizers provide only short-term benefits because:
$(i)$ Continuous use of fertilizers in an area can destroy soil fertility by reducing organic matter.
$(ii)$ They harm the beneficial microorganisms present in the soil,which are essential for maintaining soil health.
$(iii)$ They are expensive and can cause water pollution through the process of eutrophication when they leach into water bodies.
$(i)$ Continuous use of fertilizers in an area can destroy soil fertility by reducing organic matter.
$(ii)$ They harm the beneficial microorganisms present in the soil,which are essential for maintaining soil health.
$(iii)$ They are expensive and can cause water pollution through the process of eutrophication when they leach into water bodies.
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Similar Questions
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 excess water from clayey soil.
$(iv)$ Its excessive use pollutes the 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 excess water from clayey soil.
$(iv)$ Its excessive use pollutes the environment because it is made of animal excretory waste.
Medium
View Solution$(a)$ What do the terms 'macronutrients' and 'micronutrients' signify?
$(b)$ Briefly describe the formation of vermicompost and green manure.
$(b)$ Briefly describe the formation of vermicompost and green manure.
Medium
View Solution$(i)$ Mr. Ramdin,an educated farmer,convinces his friends to use fertilizers judiciously. Why?
$(ii)$ Which two values of Ramdin impress you?
$(ii)$ Which two values of Ramdin impress you?
Medium
View SolutionFill in the blanks:
$(a)$ Pigeon pea is a good source of . . . . . . .
$(b)$ Berseem is an important . . . . . . crop.
$(c)$ The crops which are grown in the rainy season are called . . . . . . crops.
$(d)$ . . . . . . are rich in vitamins.
$(e)$ . . . . . . crop grows in the winter season.
$(a)$ Pigeon pea is a good source of . . . . . . .
$(b)$ Berseem is an important . . . . . . crop.
$(c)$ The crops which are grown in the rainy season are called . . . . . . crops.
$(d)$ . . . . . . are rich in vitamins.
$(e)$ . . . . . . crop grows in the winter season.
Medium
View SolutionJessica saw her mother rotating a milk churner in a container of milk. She was surprised and asked her mother why she was doing that. Her mother smiled and explained that she was separating cream from milk,which would be used in various dishes.
$(a)$ What kind of qualities are shown by Jessica's mother?
$(b)$ How is cream easily separated from milk by a milk churner?
$(a)$ What kind of qualities are shown by Jessica's mother?
$(b)$ How is cream easily separated from milk by a milk churner?
Medium
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