Question

distinguish between fertiizer and manure. Give suitable example. what are the advantages and disadvantages of using fertilizer

Answer 1

S.no.	Manure	Fertilizer
1.	Plant and animal wastes that release nutrients after their decomposition and are used as sources of plant nutrients.	Usually inorganic substances produced artificially supplied as plant nutrients.
2.	Applied in more quantity	Applied in less quantity
3.	Mainly rich in nitrogen and humus	Rich in nitrogen, phosphorous and Potassium

Advantages of fertilizer

• ensures good vegetative growth giving rise to healthy plants.
• higher yields of crops are produced.

Disadvantages of fertilizer

• Cost of farming has increased.
• Sometimes fertilizers get washed away and are not fully absorbed by the plants leading to water pollution.