Photographer's Note

I live in a very rural part of Suffolk and surrounded by farms. I came across the mound of Lime waiting to be spread over the fields.

Agricultural lime, also called aglime, Biolime, agricultural limestone, garden lime or liming, is a soil additive made from pulverized limestone or chalk. The primary active component is calcium carbonate. Additional chemicals vary depending on the mineral source and may include calcium oxide, magnesium oxide and magnesium carbonate.

The effects of agricultural lime on soil are:
it increases the pH of acidic soil (the higher the pH the less acidic the soil); in other words, soil acidity is reduced and alkalinity increased
it provides a source of calcium and magnesium for plants
it permits improved water penetration for acidic soils
it improves the uptake of major plant nutrients (nitrogen, phosphorus, and potassium) of plants growing on acid soils.

Lime may occur naturally in some soils but may require addition of sulphuric acid for its agricultural benefits to be realized. Gypsum is also used to supply calcium for plant nutrition. The concept of "corrected lime potential" to define the degree of base saturation in soils became the basis for procedures now used in soil testing laboratories to determine the "lime requirement" of soils.

Other forms of lime have common applications in agriculture and gardening, including dolomitic lime and hydrated lime. Dolomitic lime may be used as a soil input to provide similar effects as agricultural lime, while supplying magnesium in addition to calcium. In livestock farming, hydrated lime can be used as a disinfectant measure, producing a dry and alkaline environment in which bacteria do not readily multiply. In horticultural farming it can be used as an insect repellent, without causing harm to the pest or plant.

Spinner-style lime spreaders are generally used to spread agricultural lime on fields.

Agricultural lime is injected into coal burners at power plants to reduce the pollutants such as NO2 and SO2 from the emissions

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Photo Information
  • Copyright: Iain Richardson (RhodieIke) Gold Star Critiquer/Gold Note Writer [C: 835 W: 1 N: 2666] (11744)
  • Genre: Places
  • Medium: Color
  • Date Taken: 2014-02-19
  • Categories: Daily Life
  • Exposure: f/14.0, 1/800 seconds
  • More Photo Info: view
  • Photo Version: Original Version
  • Date Submitted: 2014-03-20 2:35
Viewed: 817
Points: 24
  • None
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