Carbonized Limestone - Request a Quote from Fertilizer Brokerage Today

Carbonized Limestone

Listen to mp3Play MP3 Audio Introduction to Carbonized Limestone by Jon Franklightbox[filetypes 360 100]Carbonized Limestone Explained by Jon Frank

Online Quote Request Form for Carbonized LimestoneCarbonized Limestone is a new offering from International Ag Labs. This is a new product made exclusively by Calcium Products, Inc. Carbonized Limestone is finely ground high calcium lime stone mixed with dry carbons (humates), dry carbohydrate, and liquid humate then pelletized.

Carbonized Limestone is currently an exclusive product only available through International Ag Labs and through our Fertilizer Brokerage. We're pleased to offer this product for fall fertilization. Production is currently available.

Carbonized Limestone is a pelletized product and it will be easy to use in a fertilizer spreader. We've seen some very good results by using this pelletized product. We've seen some very dramatic changes in the plants and in the productivity of the fields when used. We're very excited about Carbonized Limestone because we feel this is a premium product; it gets results with raising your calcium levels.

Why “Carbonize” Lime?

Calcium is heavy, so when it's put out in the soil, it has a tendency to sink down. Because it sinks, it'll soon go out of the root zone. Carbon, on the other hand, has a tendency to float in the soil and move up. So when we “carbonize” the limestone we end up putting both of these in each other's way, so the limestone has a hard time going down and the carbon is slowed in its tendency to go up. In effect then, the bacteria have more time to digest and break down that limestone, increasing its availability to plants.

The “carbonization” of the lime adds to the quality, and increase the availability of calcium. The limestone in Carbonized Limestone is very high quality, nearly pure, 38% calcium, it's very finely ground, to a size of about 100-200 mesh or finer. It's actually the dust that's sucked out of the air and then pelletized. So it's one of the best limestone products out there.

Why Not Just Use a Pelletized Limestone?

We also sell pelletized limestone without the “carbonization”. It is a little bit cheaper, but the effectiveness is reduced in that it's not held up in the top 6 inches of the soil. It is a very high quality calcium and a very fine grind as well. The difference is just that it's not “carbonized” and that changes its efficiency.

We find that calcium is short on most soils. We find that a lot of the restoration of soil requires addressing calcium. It's one of the first things we look at and it's one of the things that may require the most of in terms of pounds of availability. It takes a number of years to restore the calcium levels from a very depleted soil. Many times organic production fails to address the need for limestone or the need for available calcium and they have a very low level of calcium with high levels of phosphorus and potassium. This creates for a very bad situation.

Limestone is one of the key things we use to raise available calcium. We would also consider using things like soft rock phosphate (which is a calcium phosphate), gypsum (a calcium sulfate), and calcium nitrate (which is explained by its name). All of those combined can more quickly raise available calcium. We've seen a lot of that happen in gardens when we used multiple forms of calcium. Applying multiple forms of calcium together works really well.

Suggested Rates of Carbonized Limestone

Typical recommended application rates for Carbonized Limestone can be anywhere from about 200 lbs. up to a ton, not very often at a ton rate, most of the time 1,000 lbs. is our upper level of recommendations. Sometimes 200-300 lbs. is going to do a lot of good, especially when you're in the middle of a growing season.

Carbonized Limestone is available in 40# bags, 1 ton tote bags, and bulk semi-loads in hopper bottoms. It is our top suggestion to replace limestone in recommendations to Carbonized Limestone. We feel its agronomic value is probably double that of the regular pelletized limestone. That's just our rough off-the-cuff opinion.


 OMRI Listed

This product may be used in certified organic production according to the USDA National Organic Program Rule.

OMRI Listed Accreditation Certificate (pdf) 



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OMRI Listed Allganic Nitrogen Plus 15-0-2

For those of you who might have missed it, we have a new Chilean nitrate to offer you.

In the words of our Chilean Nitrate supplier:

"... our new OMRI Listed Allganic Nitrogen Plus a homogenous blend of 95% sodium nitrate and 5% potassium sulfate. image

The great part about this product is that it is NOT classified as oxidizer, so it does not ship/store as Hazmat, which should save you on freight and handling costs.

The physical characteristics, such as solubility, are the same as the 16-0-0 product, and it is still 100% nitrate-nitrogen from Chile, so you can expect the same high quality prills you’re accustomed to.

We have this 15-0-2 product available now...and will phase out the 16-0-0 product and are moving completely towards this new and improved 15-0-2 going forward."

Send us your quote request along with your zip code & the amount of product you need. Thanks!


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To initiate the 2017 growing season we are offering a 10% discount off all regular pricing of the 2-5-0.2 liquid fish & other variations of DRAMM fertilizers.

These sale prices will take effect immediately and end June 30th. Product is available in bulk tanker loads of 5000 gallons or in 275 gallon totes.

Let us know what you need & your zip code & we can get you a delivered cost.

Have a great growing season!

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