Agricultural Grade Calcium Carbonate Powder
Fineness Range: 80 mesh - 325 mesh (customizable)
Moisture Content: ≤1.0%
Magnesium Oxide (MgO) Content: ≤2.0%
Hydrochloric Acid Insoluble Matter: ≤2.0%
Whiteness: 60%-75%
Product Description
Our Agricultural grade calcium carbonate powder is produced from natural limestone as raw material, processed through crushing, grinding and classification. It is an economical calcium-based conditioning material for agricultural production and soil improvement. Our Agricultural grade calcium carbonate powder can effectively neutralize acidic soil, regulate soil pH value, supplement soil calcium, improve soil aggregate structure, promote crop root development, and can also be used in agricultural scenarios such as pesticide preparation and orchard maintenance.
Different from ordinary lime-based soil conditioners, our Agricultural grade calcium carbonate powder reacts mildly and acts persistently, without causing local over-alkalization and root burning. Its particle fineness is adapted to soil tillage and spreading processes, with uniform application and less dust. Relying on the advantage of large-scale production, the product has outstanding cost performance, and can be widely used in different agricultural scenarios such as field crops, orchards and tea gardens, helping to improve crop yield and quality.
Specifications
|
Item |
Technical Index |
|
Calcium Carbonate (CaCO₃) Content |
≥90%-95% |
|
Fineness Range |
80 mesh - 325 mesh (customizable) |
|
Moisture Content |
≤1.0% |
|
Magnesium Oxide (MgO) Content |
≤2.0% |
|
Hydrochloric Acid Insoluble Matter |
≤2.0% |
|
Whiteness |
60%-75% |
|
Available Calcium Content |
≥50% |
Application Fields
● Acidic soil improvement: Neutralize soil acidity, eliminate aluminum toxicity, improve soil aeration and water retention, and promote microbial activity.
● Orchard and tea garden maintenance: Regulate soil pH, supplement calcium, and prevent physiological diseases such as bitter pit and fruit cracking.
● Pesticide preparation carrier: Used for the preparation of pesticides such as Bordeaux mixture, with good dispersibility, stable efficacy and reduced phytotoxicity.
● Compost conditioning: Regulate compost pH, promote microbial activity, accelerate decomposition, and improve organic fertilizer quality.

Factory Strength
We own our own limestone mines and multiple automated production lines, with sufficient annual production capacity of agricultural-grade calcium carbonate, which can stably supply large-scale soil improvement projects and agricultural material distributors. The production process strictly controls particle size and calcium content to ensure stable performance of each batch of products. Meanwhile, we can adjust product fineness and component ratio according to soil characteristics in different regions to adapt to agricultural needs in different areas.
Application Services
We not only provide standardized Agricultural grade calcium carbonate powder, but also recommend appropriate product specifications and application rate suggestions based on customers' soil test data. For large-scale farmland improvement projects, we can provide bulk supply solutions and technical guidance to help customers achieve the optimal balance between soil conditioning effect and cost.
Packaging and Transportation
We provide multiple transportation methods including 25kg woven bags, 1000kg ton bags and bulk tank trucks, adapting to different purchase scales. Products are stored in a dry and ventilated warehouse to avoid moisture absorption and caking; dust and rain protection measures are taken during transportation to ensure stable product performance upon arrival. The shelf life is 12 months under proper storage conditions, and long-term storage is available.
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