Question

A farmer has depleted her fields of nitrogen by growing the same crop for many years. What should she apply to the fields to replenish the nitrogen? What form should the nitrogen be in?

Answer 1

Answer: To introduce nitrogen back into the soil you can plant crops that create their own nitrogen like soybeans and other legumes crops or use a chemical fertilizer with nitrogen in it. Crop rotation is also a eco effecieint way for farmers to reduce the risk of nitrate leaking onto the surface.

Explanation:

Answer 2

There are various ways by which a farmer replenishes nitrogen in her field. The most important is to grow nitrogen-fixing plants like lentils, chickpeas, soybeans, etc.

What do you mean by Nitrogen depletion?

Nitrogen depletion may be defined as the deficiency of nitrogen majorly in the soil.

Other methods that replenish the nitrogen are adding composted manure to the soil, using plant fertilizer, the addition of animal manures and sewage, etc. The form of nitrogen that should be used is inorganic form.

Therefore, there are various ways by which a farmer replenishes nitrogen in her field. The most important is to grow nitrogen-fixing plants like lentils, chickpeas, soybeans, etc.

To learn more about Nitrogen in soil, refer to the link:

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