Here is an interesting article reviewing alternate types of water treatment for greenhouse irrigation. In this study it shows that Thermotolerant Coliform (Escherichia coli is a thermotolerant coliform) lasts more than 48 hours in water with a reading of less than 650...
Based on a paper presented during the IFT Fruit & Vegetable Products Division symposium, “Intervention Strategies to Improve the Safety of Fruits and Vegetables,” at the Annual Meeting of the Institute of Food Technologists, Chicago, Ill., July 24-28, 1999.
With the advances made in measurement and PLC controls, we can control the ozone level during the day to the same levels as a sunny spring day when people are entering and exiting the coolers, and increase the levels at night if required.
Agrozone is expanding their manufacturing plant located in Simcoe, Ontario to increase the manufacturing area and are also moving the offices currently located in Delhi. The proposed move in date is scheduled for November, 2016.