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At Calcium Products, we help customers maximize soil fertility to achieve higher crop yields by offering the highest quality calcium-based fertilizers on the market. With a focus on strong customer relationships, continuous improvement, and leveraging technology, we strive to help our customers reach their full potential. Our products, 98G pelletized limestone and SO4 pelletized gypsum, are manufactured in Iowa, atop some of the purest limestone and gypsum deposits in the world. Though a majority of our product is used in the agriculture industry, we also manufacture smaller grade sizes for the professional turf industry.
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Our purpose is to help our customers maximize their soil fertility to achieve higher crop yields and superior turfgrass. With a central location for distribution, access to pure limestone and gypsum deposits, and the ability to create pellets that have a good balance between solubility and hardness, we are able to offer the best calcium-based fertilizers on the market to growers and turfgrass managers across the country.
NOTE: All trucks must have a verified load number and be on the daily loads list to be loaded - without this verification, you will NOT be loaded. Please call our plant (515) 573-3867 or your logistics coordinator to ensure you are on the list before departing to our plant. Please call our plant (515) 864-7330 or your logistics coordinator to ensure you are on the list before departing to our plant. Please call our plant (515) 859-3383 or your logistics coordinator to ensure you are on the list before departing to our plant.
Working at Calcium Products allows you the opportunity to grow a company alongside a passionate team. You can take pride in the products we sell because they have a reputation of effectively helping growers maximize soil fertility. Our culture promotes a results-oriented environment while valuing buy-in and harmony among our team members.
Soil pH is the foundation of nutrient availability and critical to maximizing crop yield. The availability of all nutrients is impacted by soil pH levels, especially phosphorus (P). When soil pH is below 6.0, it can reduce your yield by as much as 30%. Calcium Products' 98G pelletized limestone is the most effective and consistent product to correct and maintain soil pH.
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