Question

Explain how fertilisers are different from manure.

Answer 1

Following are the differences between fertiliser and manure:
$$\begin{array}{cccc}& \text{Fertilisers}& & \text{Manure}\\ \text{i.}& \text{A fertiliser is an inorganic salt.}& i& \text{Manure is an organic substance obtained by decomposition of animal and plant waste.}\\ \text{ii.}& \text{A fertiliser is prepared in factories.}& ii& \text{Manure can be prepared in the fields.}\\ \text{iii.}& \text{Fertilisers are very rich in nutrients like nitrogen, phosphorus and potassium.}& iii& \text{Manure is relatively less rich in nutrients.}\\ \text{iv.}& \text{A fertiliser does not provide any humus to the soil.}& iv& \text{Manure provides humus to the soil.}\end{array}$$