Question

what do farmers add to make soil more fertile​

Answer 1

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

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Answer 2

Answer:

cow dung, charcoal and so on