Question

repetitive growing of a crop over a period of time affects the fertility of the soil how​

Answer 1

Answer:

Soil fertility can be further improved by incorporating cover crops that add organic matter to the soil, which leads to improved soil structure and promotes a healthy, fertile soil; by using green manure or growing legumes to fix nitrogen from the air through the process of biological nitrogen fixation; by micro-dose

Explanation:

Answer 2

Repetitive growing of same crop over a period of time affects the soil because they consume all the nutrients required for that crop. And the soil starts lacking that nutrient. Due to which the soil is badly affected.

For example, pulses need magnesium in soil for their growth. If we plant pulses again and again over a period of time, the soil would start lacking  the specific nutrient i.e. magnesium.