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Agricultural lime
From Wikipedia, the free encyclopedia
Agricultural lime 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.
Effects on soil:
- it increases the pH of acidic soils
- it provides a source of calcium for plants
- it permits improved water penetration for acidic soils
Lime may occur naturally in some soils but may require addition of sulfuric acid for its agricultural benefits to be realized. Gypsum is also used to supply calcium for plant nutrition but will not raise the soil's pH. 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.
Spinner style lime spreaders are generally used to spread agricultural lime on fields. Several companies such as Stoltzfus Spreaders manufacture spreaders for this purpose.
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