Which of the following is not a method used to preserve the fertility of topsoil?

crop rotation

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clearing a field of all plants occasionally so that the nutrients are not being used up and can replenish

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plowing under plant materials left in the field

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the addition of fertilizers increases nutrient levels

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Solution

The correct option is B
clearing a field of all plants occasionally so that the nutrients are not being used up and can replenish

clearing flields is not a method used to preserve the fertility of topsoil

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Similar questions

Q. Assertion :To replenish the lost nutrients in the soil, quick acting, handy nutrients are applied in the form of fertilizers. Reason: Chemical fertilizer contains the necessary plants nutrients.

After harvesting crops, certain types of plants are preferably grown on the land to replenish the soil of depleted nutrients. This helps in reducing the dependence on artificial nitrogenous fertilizers.

Which of the following plants should be grown? (You may choose more than one option)

Q. is the term used to describe decayed leaves, plants and other organic material rich in nutrients that makes soil fertile.

After a harvest, certain types of plants are preferably grown on the land to replenish the soil of depleted nutrients. This helps in reducing the dependence on artificial nitrogenous fertilizers.

Which of the following plants should be grown?

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.

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Which of the following is not a method used to preserve the fertility of topsoil?

The correct option is B clearing a field of all plants occasionally so that the nutrients are not being used up and can replenish clearing flields is not a method used to preserve the fertility of topsoil

The correct option is B
clearing a field of all plants occasionally so that the nutrients are not being used up and can replenish

clearing flields is not a method used to preserve the fertility of topsoil