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I'm unaware of any US farmers applying rock salt to a field. However, you may have seen the application of lime, a white- or gray-colored material rich in calcium and other micronutrients to the field. Plants need calcium as a secondary nutrient.

The main reason for lime application, though, is simply to raise the pH (measure of acidity / alkalinity) of the field. Most crops prefer to grow in relatively neutral pH soils, but many soils in the eastern half of the US tend to be rather acid. Lime will economically counteract the acidity of the soil, making a more "crop-friendly" soil.

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It is unlikely that any farmer would sow his fields with salt as this kills all vegetation and destroys the soil structure. As an act of vandalism he might salt his enemy's field. Salting the earth, or sowing with salt originated as a practice in the ancient Near East and became a well-established folkloric motif in the Middle Ages. It means sterilizing the soil so no crops can ever be grown there again.

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Q: Why do farmers put rock salt on corn fields?
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Related questions

What is corn-beef?

Corned beef is a salt-cured beef product. We used to say that it was pickled beef. The salt is large grained rock salt that is also called "corns" of salt, so that's why it's called corned beef.


What type of rock is salt?

Rock salt is not a rock...its just a salt that can be extracted from salty water especially from sea water.


Does salt have plant material?

Im guessing no, but salt mainly has corn oil, and corn syrup.


Is Indian an adjective for corn?

The word corn (plant or food) is a noun. A related adjective is corn-like (corny having an entirely different meaning).Used with other nouns, corn is a noun adjunct, or attributive noun (e.g. corn crop, corn flakes).There is a verb, to corn, meaning to treat with rock salt, and it has the participle adjective form corned (corned beef).


Where is the Salt Rock in Salt Rock located?

The address of the Salt Rock is: 5575 Madison Creek Rd, Salt Rock, 25559 9801


Is rock salt organic?

Rock salt is a chemical sedimentary rock.


Is rock salt clastic rock?

Rock salt is chemical!


Can rock salt be used as table salt?

Rock salt and table salt are both sodium chloride - NaCl; table salt is the pure form of rock salt.


Is a rock salt mixture or a compound?

mixture of rock particle and salt


Why did Rome SALT the fields?

There is a common misconception that Rome would salt the fields of conquered territories to make the land infertile. However, there is little historical evidence to support this claim. Ancient Roman agricultural techniques focused on maximizing crop production, and salting the fields would have been counterproductive to their efforts. The idea likely arose from symbolic acts of spreading salt during victorious military triumphs.


Is rock salt flammable?

Rock salt is not flammable.


What is interesting about rock salt?

You can eat rock salt