Question

science question class 9​

Answer 1

ans 26

Answer:

Organic farming is an agricultural system which originated early in the 20th century in reaction to rapidly changing farming practices. Certified organic agriculture accounts for 70 million hectares globally, with over half of that total in Australia.

Advantage of organic farming

Farmers can reduce their production costs because they do not need to buy expensive chemicals and fertilizers.

Healthier farm workers.

In the long term , organic farms save energy and protect the environment.

It can slow down global warming.

Fewer residues in food.