Calcium Products - Agricultural and Turf Products
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Recent News

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Aerification and SO4

Aerification contributes to healthy turf The most scrutinized word in the professional turf industry might be aerification. If golfers arrive to...
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Localized Dry Spot

What is localized dry spot? With an unusually hot start to the late spring/summer season, localized dry spot (LDS) is showing...
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Natural vs. Synthetic Gypsum

What is Gypsum?Gypsum is a mineral that has been used in agriculture for a long time. Its chemical name is...
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How effective is your aglime?

Take the 98G CHALLENGE and, with three simple steps,find out!1. Collect aglime samples.2. Mail the aglime samples. Postage is on...
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Calcium Products Celebrates 30 Years

Calcium Products is celebrating 30 years in business this summer! This milestone leads us to look back on our history...
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Meet our Updated Product Names and Logos

  We have some exciting news to share! We are shortening our product names to 98G and SO4 and have created...
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Rescuing Sulfur Deficiency with Topdress Application of SO4

Photo above: 2016 sulfur trial on corn in Kanawha, Iowa at the ISU Northern Research Farm. SO4 applied at 150...
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Soil Testing Helps Inform Application Decisions

Why soil test? Soil testing is an important part of our philosophy at Calcium Products – without knowing the nutrient status...
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Soybean Nodules Adversely Affected by Low Soil pH

Soybean nodules supply plant available nitrogen Nodules on soybean roots are formed by a specific genus of soil-borne bacteria, Rhizobium, which...
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How to repair sodic soils

Sodium problems are becoming more widespread Sodic soils are one of the most difficult challenges facing turf managers in areas where...
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