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Micronutrients

State true or...

Question

State true or false:
Nutrients can be provided to crops by fertilisers only.

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Solution

False.
Fertilisers provide only main nutrients (nitrogen, phosphorus, and potassium) to the plant.
They are synthetically produced.
Other micronutrients and macronutrients that are required by the plants can be provided by manure.
Hence, the given statement is false.

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(a) Water pollution is caused by the smoke given out by factories.
(b) Pesticides and fertilisers cause both soil and water pollution.
(c) Breathing in suspended particulate matter is not as harmful as breathing in carbon dioxide.
(d) Fertilisers provide nutrients to the soil, therefore they cannot be replaced.
(e) There are no alternatives for fossil fuels.

Q. State whether the following statements are true or false.

Statement 1: Manure has more essential nutrients than fertilisers.
Statement 2: Addition of manure enhances better yield of crops than fertilisers.

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