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Fertilizers

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Question

Continuous use of chemical fertilizers can make the soil ___.

A

Fertile

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B

Rich in organic material

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C

Rich in humus

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D

Infertile

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Solution

The correct option is D Infertile
Fertilizer is added to soil to supply one or more nutrients essential for the growth of plants. Continuous use of chemical fertilizers can make the soil infertile.

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Similar questions

Q. How does chemical nature of the soil change due to continued use of chemical fertilizers ?

Q. Statement-1: Manure helps in enriching the soil with nutrients and organic matter.
Statement-2: Fertilizers are rich in nutrients and thus, are required in small amounts, as compared to manures.
Statement-3: Continuous use of fertilizers in an area increases soil fertility because the organic matter in the soil is replenished.

Statement: Farmers must immediately switch over to organic fertilizers available instead of chemical fertilizers for better yield.

Assumptions:
I. All the farmers use only chemical fertilizers.
II. Organic fertilizers are readily available to the farmers.

Q. A farmer has been using excessive quantities of chemical fertilizer in fields for a number of years. The crop yield began to reduce in spite of using chemical fertilizers. Which of the following is correct about this?
A. The soil has become more acidic
B. The soil has become more alkaline
C. The yield can be improved by adding slaked lime to the soil
D. The yield can be improved by adding some organic matter to the soil
E. The yield can be improved by adding common salt to the soil

Q. Continuous use of chemical fertilisers can turn the soil ________.

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