Question

9th 2021 question paper solution​

Answer 1

Explanation:

Crops are plants grown by the farmers. Agriculture plays a very important role in the Indian economy. It is the backbone of our country. 70% of the Indian population depends on agriculture for food and money. It is the major occupation in the rural areas. The cultivation of crops depends primarily on the weather and soil conditions.

Crops get affected due to various factors, one of them is continuous plantation of crops affects the soil.

Reason

Will become poor in necessary nutrients like nitrogen, phosphorus, potassium, etc.

Plants require nutrients for their proper growth and functioning.

When a farmer continues to grow crops one after the other, then all nutrients available in the soil reduce and the crop yield decreases automatically.