Question

5. Which of the following help preserve soil fertility?
(a) mulching
(c) plugging gullies
(b) crop rotation
(d) fallowing​

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

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Answer 2

b.) crop rotation is the correct answer