Question

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

Answer 1

fertilizers
Fertilizers are chemical or natural substances that are added to the soil to increase fertility .


disadvantages \: or \: harmful \\\ effects \: of \: using \: fertilizers
1) Excessive use of fertilizers causes severe land degradation.

2)Use of chemical fertilizers on the crops can have adverse effects on waterways caused by chemical run off of the excess fertilizer.