Question

The manures and fertilizer replenish soil fertility. Compared the contrast
the advantages and disadvantages of using them.

Answer 1

Disadvantages of Using Fertilizers

1. Excessive use of fertiliser can cause pollution.

2. It can also change pH of the soil in certain rare cases.

Advantages of fertilizers

1.They are quick in providing plant nutrients and restoring soil fertility.

2.They are portable and easy to transport.

Advantages of Manure

1. It increases the water-holding capacity of the soil.

2.It makes the soil porous and facilitates the exchange of gases.

DISADVANTAGES OF MANURES

1 MANURES ARE BULKY WITH LOW NUTRITION CONTENT

2 THEY ARE INCONVENIENT TO HANDLE , STORE AND TRANSPORT.