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This section provides an overview for limestone fertilizers as well as their applications and principles. Also, please take a look at the list of 10 limestone fertilizer manufacturers and their company rankings. Here are the top-ranked limestone fertilizer companies as of February, 2025: 1.Winston Weaver Co., Inc., 2.Prolime Agriculture LLC, 3.Calcium Products, Inc..
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A limestone fertilizer is a type of lime material made from a mineral called dolomite (CaMg(CO₃)₂), which is heated and ground into a powder or granular form. It mainly comprises calcium carbonate and magnesium carbonate, along with trace elements such as manganese and boron. Limestone fertilizer specifically refers to magnesium content, whereas lime typically denotes calcium.
Limestone fertilizers are primarily used for neutralizing the pH of acidic soils and supplying essential nutrients like calcium and magnesium to crops. The optimal soil pH for many crops is mildly acidic (pH 5.5 to 6.5). Highly acidic soil can leach harmful aluminum ions, impeding root growth and inhibiting nutrient absorption, including phosphoric acid. Alkaline limestone fertilizers can adjust soil pH, especially in small areas like planters where soil acidity tends to increase more rapidly.
The quantity of limestone fertilizer applied should be carefully calibrated as different crops thrive at specific pH levels. Additionally, it aids in root development and prevents yellowing of leaves by facilitating chlorophyll production.
When applied correctly, limestone fertilizers help maintain a stable soil pH level, supporting plant root growth and preventing leaf dieback by supplying calcium and magnesium. Compared to other liming materials, limestone fertilizer offers a balanced nutrient profile and is relatively easier for beginners to handle.
Incorrect usage can lead to overly alkaline soil conditions, potentially leading to deficiencies in elements like iron and manganese, which may have adverse effects on plant health.
Limestone fertilizers are available in two forms: powdered and granular. Powdered lime dissolves more readily in water and integrates faster into the soil, making it a quick-acting option. Granular lime, on the other hand, has a slower onset but offers a prolonged effect. Both forms contain similar nutrient compositions, with granular products being less prone to wind dispersal and easier to spread by hand.
Granular lime, known for its ease of use and lasting effect, is recommended, although it tends to be more expensive than powdered forms. For larger application areas, granular lime is the more practical choice. Conversely, powdered lime is suitable for smaller areas but should be purchased in quantities that can be used promptly to prevent hardening from moisture exposure.
The standard application rate for limestone fertilizers is between 50 to 100 kg per year for a 10-acre field. However, this can vary based on soil quality and the crops being planted, necessitating a soil pH test for accurate assessment. When used in conjunction with compost or other fertilizers, a two-week interval is advisable to avoid ammonia gas production. The effects of limestone fertilizers typically manifest within one to two weeks, so it's recommended to apply them about two weeks before planting.
For powdered lime, apply it on a windless day, ensuring even distribution across the field and thorough mixing with the soil. Using a spreader or a cultivator can make this process more efficient. To avoid skin irritation, wear protective gear such as gloves and goggles. Store any leftover fertilizer in a dry place, sealing the bag opening tightly with vinyl string or a similar material.
*Including some distributors, etc.
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Taki Chemical Co., Ltd., is a manufacturer of chemical products, established in 1885 and headquartered in Kakogawa, Japan. The company specializes in producing a wide range of products, including fertilizers, soil conditioners, as well as water treatment chemicals, and functional materials. Its product line features compound and phosphate fertilizers, basic aluminum lactate, mono aluminum phosphate, and also hydrated silica, all of which have applications in agriculture, chemicals, functional materials, and biotechnology.
Stone & Son Inc., founded in 1916 and located in Suisun, CA, is a manufacturer of fertilizers and pest control products. The company also provides manures and soil amendments for landscapes and gardens. Its product range also includes earthworm casting, insect sprays, plant foods, herbicides, and other lawn care products. It markets these products and many more under the brand name E.B. Stone. The company serves customers in the US through Master Nursery Garden Centers and independent nurseries.
Ranking as of February 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Winston Weaver Co., Inc. |
19.3%
|
| 2 | Calcium Products, Inc. |
13.4%
|
| 3 | Prolime Agriculture LLC |
12.6%
|
| 4 | Carmeuse |
12.6%
|
| 5 | Target Specialty Products |
10.1%
|
| 6 | Conklin Limestone |
7.6%
|
| 7 | Saaz Innovations |
7.6%
|
| 8 | distripark.com sp. z o. o. |
6.7%
|
| 9 | Stone & Son Inc. |
5.9%
|
| 10 | TAKI CHEMICAL CO., LTD. |
4.2%
|
Derivation Method
The ranking is calculated based on the click share within the limestone fertilizer page as of February 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
2 | 40.0% |
|
Japan
|
1 | 20.0% |
|
Poland
|
1 | 20.0% |
|
India
|
1 | 20.0% |
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Amino acid liquid fertilizer containing highly absorbable magnesium citrate and chelated trace elements to keep plants vibrant. In general, Japanes...
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Trace elements with organic chelating adjuvant. I am confident in my iron supply. Divalent iron, magnesia, manganese, zinc, copper.
