Fertility of soil can be regained through .

Explanation:

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 ...

answer; taking detailed notes during the interview;

answer; they both highlight the power of the situation in determining behavior;