Q. 544.6( 10 Votes )

What is a fertilizer ? Name any two fertilizers. State two harmful effects caused by the excessive use of fertilizers.

Answer :

Fertilisers are chemical substances which are rich in a particular nutrient. Some examples of fertilizers are urea, potash, NPK (nitrogen, phosphorus, potassium), etc.

Harmful effects caused by the excessive use of fertilizers are-


(i) Excessive use of fertilizers makes the soil less fertile.


(ii) Excessive use of fertilizers causes water pollution.


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