AG-18 Damp Limestone

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Baker’s AG-18 Damp Limestone was designed to be applied with spinner spreaders. Baker’s AG-18 is pulverized Lime that is mined from our quarry, a rich dolomitic deposit in York County, Pennsylvania. Farmers can depend on Baker’s AG-18 pulverized Limestone to neutralize acidic soils in their fields and replenish the crucial nutrients. When soil pH is properly controlled with pulverized lime, crop yields increase, and fertilizers and herbicides effectiveness can significantly improve. Baker’s pulverized lime improves the effectiveness of other natural soil nutrients as well, including nitrogen and phosphorus, which are both very sensitive to the pH of soil. Baker’s high-quality limestone plays an important role in the overall economy of farm production for the professional, commercial and custom applicators. Baker Lime has been a leader in high-quality limestone production for over 125 years. Our complete line of products for a variety of markets allow us to be incomparable to competitors. When you need quality limestone, Baker Lime promises to get you the best limestone for the best value – it’s our tradition and our promise to do so.


  • Is a pulverized, damp, dolimitic limestone used to correct soil pH.
  • Low Moisture content, typical is two to four percent.
  • Supplies both calcium and magnesium, two very important nutrients for plant development.
  • Quickly neutralizes soil acidity to provide the best environment for healthy plant growth.
  • Can improve both fertilizer and herbicide efficiency by producing and maintaining recommended soil pH levels.
  • Has been designed to be applied with spinner-type spreaders for pulverized and granulated limestone.


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Purity Comparison of Our Ag-18 Limestone Product

Chemical analysis – Typical Limestone

Calcium Carbonate CaCO3 54.8%
Magnesium Carbonate MgCO3 30.0%
Total Carbonates 84.8%
Other (no neutralizing value) 15.8%

Chemical analysis – Baker’s Limestone

Calcium Carbonate CaCO3 53.5%
Magnesium Carbonate MgCO3 42.0%
Total Carbonates 97.5%
Other (no neutralizing value) 2.5%

Chemical Analysis

Calcium Carbonate Equivalent (C.C.E.) 105.6%
Calcium Carbonate (CaCO3) 53.5%
Magnesium Carbonate (MgCO3) 42.0%
Total Carbonates 97.5%
Calcium Oxide (CaO) 30.0%
Magnesium Oxide (MgO) 20.0%
Total Oxides 51.0%
Elemental Calcium 21.4%
Elemental Magnesium 12.1%
Effective Neutralizing Value 78.0%
Effective Neutralizing Power 72.3%

Time/Particle Analysis

Calcium Carbonate Equivalent (C.C.E.)

Actual Dollar Value

Recommendation Lbs. of Cost Cost
Product Lbs. C.C.E. per Acre C.C.E.% Limestone Needed per Ton per Acre
Baker 3,000 105.6 2,841 $26.00 $36.92
Other 3,000 90 3,333 24.00 40.08

Screen Analysis (North Carolina)

U.S. Standard Sieve Guaranteed

20 Mesh 90%
100 Mesh 50%
1750 lbs of material = 1 ton of standard liming material

Screen Analysis (Virginia)

U.S. Standard Sieve Guaranteed

20 Mesh 90%
60 Mesh 60%
100 Mesh 50%

Fertilizer Efficiency

Soil Acidity Fertilizer Wasted

4.5 pH 71%
5.0 pH 54%
5.5 pH 33%
6.0 pH 20%
7.0 pH 0%

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Additional information

Weight 2000 lbs