Question

NCRET of science chapter 1 class 8 question 1
explain how fertilisers are different from manure​

Answer 1

Explanation:

here is your answer

Manure

Natural substance obtained by the decomposition of plant and animal remains by bacteria.

Provides humus to the soil

Less rich in plant nutrients

Can be prepared in fields

Inconvenient to store and transport

Absorbed slowly by plants

Example: Green manure

Fertilizer

Inorganic substances or compounds

Does not provide humus to the soil

Rich in plant nutrients such as nitrogen, phosphorus and potassium

Prepared in factories

Easy to store and transport

Absorbed readily by plants

Example: Urea

Answer 2

Answer:

Fertiliser=

1) A fertiliser is an inorganic salts

2) A fertiliser is prepared in factories

3) A fertiliser does not provide any humus

Manure=

1) Manure is a natural substance obtained by the decomposition of cattle dung, human waste and plant residuces

2) Manure can be prepared in the fulds

3) Manure provides a lot of humus to the soil