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Polyon (smart) Fertilizer is by far the best “controlled” release product available to our industry. This product allows us to do 1 – 2 applications per season rather than the 4 to 6 applications made by other companies. Since 2008 when we instituted our POLYON program we have reduced the actual tonage of granular fertilizer we apply on the ground by 43%. Additionally, without sacrificing appearance or plant health, we have reduced the amount of Nitrogen we apply on a residential lawn by 30%. Polyon ferilizer releases nutrients only when and at the amounts grass plants can absorb them eliminating any risk of loss or runoff, making our treatments Chesapeake Bay friendly!
To learn more about Polyon Fertilizer click here.
Conducted by Dr. John Cisar, Professor of Environmental Horticulture
Commissioned by Agrium Advanced Technologies
Location: Fort Lauderdale, Florida
Dates: June 17, 2009 through May 16, 2010
Turf types: St. Augustinegrass, Bermudagrass
Soil type: Hallandale fine sand
Total moisture measured during 12-month study: 83 inches
Research objectives:
All fertilizer treatments were below the EPA threshold of 10 mg/L for average nitrogen found in water.
Increasing per application nitrogen rates to 2.75 lbs N per 1,000 ft² did not increase leachate levels, and average nitrogen levels were 3 times lower than EPA threshold.
There were no significant differences in average nitrogen leachate levels of the fertilized plots across different plots.
Excellent turf color & quality were maintained using 25% less total nitrogen per year compared to a soluble urea program.
Excellent turf color & quality were maintained using 4 less applications per year compared to a soluble urea program.
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