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Answer:

A. What is this agricultural practice called?

• A. The agricultural practice of crop rotation is done with the alternation of crops in the same area.

B. What are the advantages of this practice?

• B. The purpose of this practice is to allow nitrogen and phosphorus from the soil to recover through rotation always using a legume, such as beans.

Monoculture and nitrogen

In monoculture, nitrogen is the main nutrient that is depleted in the soil, leading to desertification or the need to use nitrogen fertilizers.

It is expensive to use this type of fertilizer and that is why many farmers use crop rotation.