Lime can also be made by taking calcitic or dolomitic limestone and heating the
material so that the carbonate in limestone is replaced with
oxygen. This process is known as quick lime, unslaked lime, burnt
lime, caustic lime. It does not occur in nature.
Proper use of
aglime is one of the most important management inputs in
successful crop production. Excess soil acidity is a primary
constraint to high, profitable yields and long-term soil
productivity.
Aglime applied to acid soils improves soil physical, chemical and biological conditions by neutralizing soil acidity, raising soil Ph and supplying calcium and magnesium nutrients.. It increases root proliferation and promotes earlier above-ground crop growth, improving nutrient and water uptake while protecting the soil from wind and water erosion. Aglime improves fertilizer nutrient efficiency by as much as 50 percent or more and boosts the effectiveness of certain herbicides.
Determining Aglime Needs
Aglime should be applied to land
after representative soil samples have been collected and
tested. Aglime requirements are determined by most
commercial soil testing laboratories based on soil pH
measurements and some assessment of the soil buffering
capacity, and level of incorporation based on tillage
depth.When to Apply Aglime
Liming is usually recommended every three to five years, but frequency and method of application can vary due to several factors. Site-specific or precision management technology now makes variable rate application practical in many fields.
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| Wheat plants show very poor growth in an unlimed area at left, compared to the plot at right where aglime was applied. For all these reasons and more, farmers are wise to invest in a sound aglime program. Aglime will put more money in their pockets. |
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