By planting corn one year and beans the next on a given plot of land, or by planting alfalfa as a cover crop during the off-season, a farmer reduces the need for ___________ because beans and alfalfa fix nitrogen in the soil.

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31-05-2022
Biology

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By planting corn one year and beans the next on a given plot of land, or by planting alfalfa as a cover crop during the off-season, a farmer reduces the need for ___________ because beans and alfalfa fix nitrogen in the soil.

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Oseni Oseni · Answer 1 · 2022-06-08T13:03:12+02:00

Such a planting pattern will reduce the need for nitrogen-based fertilizers.

Rotational cropping

It is a system of farming in which crops of differing characteristics are planted alternately in two consecutive seasons.

For example, planting corn this season and beans the following season is a kind of crop rotation.

By doing so, the need for nitrogen-based fertilizer is reduced because legume crops are able to fix nitrogen into the soil through the association of their root nodules with ceratin nitrogen-fixing microbes.

More on nitrogen-fixation can be found here: https://brainly.com/question/19938608

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