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Both clover and alfalfa are "nitrogen fixing" plants, meaning they have the riboza bacteria in their roots which converts atmospheric nitrogen into a form which can be used by plants and then animals. Planting either crop naturally enriches the soil without the use of artificial fertilizers. Allowing the plants to decompose in the field releases this nitrogen.

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Q: Why do farmers plant alfalfa or clover but don't harvest it?
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Related questions

What is a leguminous plant widely cultivated for forage called?

Hay. like alfalfa, and clover


Why do farmers harvest?

Farmers harvest produced because if the plant is left it will go to seed and the produced value will be, very much, reduced.


What crops do farmers plant?

it all depends on what region your talking about. in the mid western united states, (Indiana, Illinois, and that area the field crops are mostly corn and soybeans with some wheat alfalfa and clover. farther west you'll find more wheat with the corn(:


What is a fodder plant beginning with a?

This fodder plant could very well be Alfalfa.


Why did early farmers need to create calendars?

Farmers developed the calender system in order to plant crops and know when to harvest them. They were also able to identify the seasons and when they occured using a calender.


Does alfalfa plants have stickers?

alfalfa plant stem makeup


What determines whether to harvest mechanically or manually?

In deciding whether to harvest mechanically or manually, farmers must consider what type of crop and plant is being harvested.


Is Alfalfa a type of grass?

No it is actually a type of flowering plant, in the pea family.


What plant produces the four leaf clover?

Clover


Is clover a NZ native plant?

where does clover come from


How nitrogen enters the atmosphere?

Typically, atmospheric nitrogen gets into the soil by nitrogen-fixing bacteria that are symbiotic with such plants as clover, soybeans and alfalfa. Bacteria in the plant extract nitrogen from the air, and when the plants die, the nitrogen remains in the soil as the plant decays.


Why do farmers use irrigation to harvest plants or to water crop's to keep crop's from freezing or to plant crop's?

All of the above.