Calcium Magnesium Nitrate Guide
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- Richase Marketing
- Issue Time
- Feb 25,2026
Summary
Richase Calcium Magnesium Nitrate supplies nitrate N with calcium and magnesium in one.

For crops that need nitrogen plus soil-structure calcium and magnesium in one pass, Calcium Magnesium Nitrate is a quiet workhorse. Often called CaMg nitrate, this compound fertilizer combines readily available nitrate nitrogen with two secondary nutrients that conventional N sources leave out. This buyer guide explains what CaMg nitrate does, where it fits, and how to specify a grade that improves both yield and soil health.
What Calcium Magnesium Nitrate Delivers
Calcium Magnesium Nitrate typically supplies nitrate nitrogen alongside calcium and magnesium oxides in a fully water-soluble granule. The nitrate nitrogen is taken up immediately, while calcium strengthens cell walls and magnesium powers chlorophyll. As a CaMg nitrate product, it corrects the common gap left by urea and ammonium fertilizers, which supply nitrogen but no secondary nutrients.
Compound Fertilizer Advantages
As a compound fertilizer, CaMg nitrate simplifies the program: one product delivers three nutrients in a balanced, soluble form. For growers managing calcium-deficient or magnesium-deficient soils, this avoids the separate lime or dolomite pass and the pH swings that come with it. The result is steadier nutrient supply and less field traffic across the season.
Nitrate Fertilizer Speed and Safety
The nitrogen in this nitrate fertilizer form is available without soil conversion, so response is fast and predictable. Unlike ammonium, nitrate does not acidify the root zone, which benefits crops and soils sensitive to pH drop. For greenhouse and high-value outdoor crops, that immediacy translates into greener leaves and firmer fruit within days of application.
Crop Nutrition and Secondary Nutrients
Complete crop nutrition is not only N-P-K. Calcium and magnesium are required in large amounts, and deficiencies show up as blossom-end rot, interveinal chlorosis, and weak stems. CaMg nitrate delivers both where the plant can use them, supporting fruit firmness, shelf life, and photosynthetic capacity that straight nitrogen fertilizers cannot provide.
Balanced Fertilization Strategy
A balanced fertilization plan matches all nutrient groups to crop demand rather than over-applying one. CaMg nitrate fits as the nitrogen carrier in programs for tomatoes, peppers, grapes, citrus, and vegetables, where calcium and magnesium demand is high. Used alongside potassium and phosphate sources, it rounds out a program that builds both yield and quality.
Best Crops and Soils
CaMg nitrate shines on sandy soils prone to leaching calcium and magnesium, on acidic fields where lime is impractical mid-season, and on calcium-hungry fruiting crops. In greenhouse substrates, it supplies mobile calcium that prevents tip-burn in lettuce and blossom disorders in tomato. It is equally useful as a corrective top-dress in established orchards.
Application Methods
The product is ideal for fertigation and foliar feeding because of its solubility, and it also works as a side-dress or broadcast for open-field crops. In drip systems, run it through the injector at the rates your tissue tests indicate; in foliar use, a 0.5 to 1 percent solution applied at fruit set is common. Always start with a small test to confirm crop tolerance.
Choosing the Right Grade
Specify the nitrogen, calcium oxide, and magnesium oxide percentages, plus solubility and chloride content. Ask for a certificate of analysis and confirm the granule dissolves fully without residue that could clog emitters. A low-chloride, fully soluble grade protects sensitive crops and keeps nutrient tanks clean in recirculating systems.
Sourcing and Documentation
Because calcium and magnesium content varies by grade, documentation matters. A supplier providing batch certificates, SGS or CIQ verification, and consistent OEM packing protects your program from off-spec material. Port access and lead time also matter, since CaMg nitrate is often a seasonal, just-in-time input for fruiting crops.
Storage and Handling
Store CaMg nitrate in a dry area below 60 percent relative humidity. Modern low-hygroscopicity grades resist caking, but prolonged damp exposure still degrades flow and can cause slight setting. Keep bags off the floor, rotate stock, and segregate from strong acids to preserve quality and dosing accuracy.
How Richase Supports Growers
Richase Group Limited supplies Calcium Magnesium Nitrate grades to agriculture customers across Africa, Latin America, Europe, and Southeast Asia, backed by ISO, SGS, and CIQ documentation with OEM packing. You can review the specification and request a sample on the product page: Calcium Magnesium Nitrate.
Key Takeaways for Buyers
- CaMg nitrate delivers fast nitrate nitrogen plus calcium and magnesium.
- It is a true compound fertilizer that simplifies balanced programs.
- Nitrate form is immediate and does not acidify the root zone.
- Specify N, CaO, MgO, solubility, and chloride, not just price.
- Choose a documented supplier to protect quality and lead time.
Conclusion
Richase Group Limited understands that strong crop nutrition depends on complete, balanced inputs, and our Calcium Magnesium Nitrate is produced under a strict quality system that protects analysis, solubility, and safety in every batch, helping growers raise both yield and quality.
