Question

There is increasing sewage discharge due to increased industrialization. However, sewage has a rich content of some substances which make it suitable for the growth of some plants like sugarcane, groundnut, tomato, fodder crops etc. A special name has been given to this kind of farming that uses industrial waste for growing some crops what is that? Which substances in the sewage help the plants to grow.

Answer 1

substances such as phosphorus, Sulphur and some nitrates(urea) which are present in sewage help plants to grow.

Answer 2

Hi!

It's known as sewage farming

The substances like nitrogen, phosphorous, and other plant nutrient are present in the sewage that helps in sewage farming