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Phoenix Area Golf Course: Interpretation #1 of Ongoing (OVERVIEW)

Testing to Monitor Ozone & Oxygen Diffusion

Initial Tests Taken On September 8, 2009

Follow-up Tests Taken December 7, 2009

Study Synopsis

This is an ongoing study on the effects of ozone and oxygen gas diffusion on golf course soil and turf. The tests and interpretations are carried out by an independent Agronomy Consulting Firm out of Tucson, Arizona. After the one-year study is complete, the lab reports and firm information will be available.

This study was conducted using five different tests. The first test is a Standard Soil Test that showed a dramatic drop in the soil sodium level. The second test was a percolation test using Soluble Sulfur levels as the gauge to determine an increase in percolation. Sulfur is widely accepted in academic circles as a barometer for how good or bad the soil drainage is. In this case it showed a remarkable increase in the soil percolation rate. The third test was a plant tissue test of the soil, and it showed an increase in the turf’s ability to take up more nutrients. The last two tests were an irrigation water test and a Saturated Soil Analysis. Both showed positive results

Positive Findings from the Study

  • “Our September ’09 tests indicated that the harmful element, sodium, was found at unacceptably high levels. The December ’09 tests, following three months of ozone diffusion, showed a dramatic drop in sodium.”

  • “In September the amount of sodium was 616 Ibs./acre. By December the amount had dropped to 378 Ibs./acre. (Ideal soil sodium levels are below 500 Ibs./acre.) When viewed as a percent of base saturation, the sodium on #5T dropped from 5.76% to 4.19%, a substantial drop over a three month period.”

  • The soil tests also reveal a dramatic reduction in soluble sulfur between September and December. Sulfur is a highly soluble element that leaches down through the soil profile readily if the soil is conducive to leaching (drainage). Sulfur is widely accepted in academic circles as a barometer for how good or bad the soil drainage is.”

  • “This graph shows a significant decrease in sulfur levels on all surfaces tested. A decrease in soluble sulfur is an increase in percolation.” Note: The graph referred to here can be seen in the report to follow.

  • “It is still too early to draw too many conclusions from the plant tissue test, although there was a noticeable increase in nitrogen, phosphorous, and potassium. This is a benefit of the chelation process that is created by ozonation.”

  • “Two environmental tests were conducted on the water: “dissolved oxygen” and “fecal coliform,” each showing positive progress.”

Negative Findings from the Study

  • Although there were no negative results in this study, there was a few inconclusive tests.  

Thoughts and Comments

The last round of testing for this study will be taken in September of 2010, at which time we will have a complete picture on the benefits of ozone and oxygen diffusion in golf course irrigation water. These first rounds of testing clearly hint to the major positive effects ozone and oxygen treatment accomplish, including increased percolation, dramatic reduction in soil sodium level, and the ability of turf to up take nutrients better.

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