Crystal Green®

Crystal Green® is the first continuous release granular fertilizer to provide Root-Activated™ phosphorus to feed plants in one season-long application.

Unlike conventional phosphate fertilizers, which release nutrients upon watering or irrigation, Crystal Green® releases nutrients in direct response to root demand- when the plant releases organic acids, Crystal Green® releases nutrients. This results in a steady source of phosphorus (along with nitrogen and magnesium) throughout the growing season.

How it Works

Crystal Green® is sustainably produced by Ostara using nutrient recovery technology that combines phosphorus, nitrogen, and magnesium into pure crystalline granules.
Crystal Green® is virtually water insoluble and releases only in response to organic acids produced by growing roots. As the roots produce citrates, Crystal Green® responds with a healthy release of phosphorus, fertilizing plants on demand. As plant demand decreases, nutrient release from Crystal Green® is reduced consequently providing a more consistent feeding of nutrients compared to conventional phosphorus fertilizers. Crystal Green®’s unique mode-of-action increases fertilizer efficiency and minimizes nutrient loss.

Guaranteed Minimum Analysis

Guaranteed Analysis
Total Nitrogen (N) 5%
Available Phosphate (P2O5) 28%
Magnesium (Mg) 10%

Application Rate

Crystal Green® is meant to be used as 25% of the total phosphorus.

Example: If a grower used 40 pounds of actual P on Canola, 10 pounds of the 40 should come from Crystal Green®.

 

Benefits

  • Root-Activated™ Nutrient Technology- Crystal Green® employs a citrate soluble mode of action which means it releases nutrients in response to plant’s organic acid production. This allows Crystal Green® to gradually release nutrients into the soil solution when the roots need it most.

 

 

  • Season-Long Plant Availability- Continuous release provides plant-available nutrients all season long while minimizing nutrient tie-up, leaching, and runoff.

 

 

  • Consistent, Dependable Release- Crystal Green’s® nutrient release is dependent on plant demand; not on coatings, soil temperatures, microbes, or pH.

 

  • Environmental Benefits-
    • Significantly reduced risk of leaching and runoff;
    • Derived from a sustainable and renewable source
    • Helps protect sensitive local waterways
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Salt Index
Crystal Green 7.7
Monoammonium Phosphate (MAP) 27
Diammonium Phosphate (DAP) 29

Research

  • Significantly reduces the risk of salt injury in Canola. With only one-quarter of the salt index found in MAP fertilizers, Crystal Green® provides the steady supply of phosphorus canola needs to thrive – while significantly reducing risk of seedling injury. The result is increased stand count and yield. Results from four 2016 Manitoba field trials reveal an average 14.65% higher stand count*/m in fields treated with Crystal Green® compared to Grower Standard Practices.
    * Crystal Green® Effects on Stand Count (per square meter) Southern Manitoba Canola Trials 2016

 

  • Increasing marketable yield of potatoes in challenging pH soil. In Canada, Crystal Green® blends have outperformed its potato grower’s standard fertilizer program by 41 cwt/acre on average. Due to its citrate solubility, Crystal Green’s® unique Root Activated™ release delivers phosphorus and magnesium when – and only when – the plant needs it.

Video Resources


Crystal Green

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