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Definition of greensand

Categorized under "General"

Definition as written by talinum:

It contains 6 percent potassium and is available very slowly to the plant.

Definition as written by desertqueen:

Greensand is sand or sediment that consists largely of dark greenish grains of glauconite, usually mixed with clay or sand. There are three main places that mine greensand in the U.S., they are Texas, New Jersey and Arkansas. It is a natural mineral that opens up tight soil and binds the loose soil. Greensand is mainly potash and hydrated silicate of iron. It has been used for decades and contains other trace minerals. Greensand can be used as a fertilizer and soil conditioner, a mulch or top dressing. It slow releases nutrients and loosens soils. Greensand will not burn plants. It is safe to handle, ordorless and can be applied anytime of year.

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