Question

Explain how fertilisers are different from manure.NCERT Class 8th Science Chapter 1 Crop Production and Management

Answer 1

Fertiliser​s are chemicals which are added to plant to increase its fertility to make plants grow faster , fertilisers work well, but in turn soil loses its fertility, some examples of fertilisers are NPK, urea etc..
manure is made form organic waste materials and is beneficial for soil as it improves the humus content of soil and makes it more fertile.

Answer 2

fertilizer:-
fertilizer are chemical
fertilizer does not provide humus to soil
fertilizer does not make soil porous
fertilizer has rich value in specific nutrients.


manure:-
manure are organic
provide humus to soil
make soil porous
have low nutrition value compared to fertilizer.