Question

What are chemical fertilisers? [3 Marks]

Answer 1

$\bullet$ Chemical fertiliser is any artificial substance containing the chemical elements that improve growth and productiveness of plants. [1 Mark]
$\bullet$ It includes different chemical compounds added to the soil for the replenishment of certain nutrients like phosphorus, nitrogen and potassium. [1 Mark]
$\bullet$ They are economic and can release nutrients continuously and hence, increase the productivity. [1 Mark]