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Water application technologies were examined and a thorough literature review which identified some promising irrigation technologies for ornamental nursery plant production purposes. One technology in particular, a sensor-based automated irrigation system, was evaluated in a commercial nursery for pot-in-pot tree production and demonstrated that growers could cut their water usage by more than 50%.
Suppressing pathogens in the greenhouse setting was the focus of this study. Dr. Zheng selected composted and non-composted organic materials with potential pathogen suppression properties and mixed these materials with other components to form a variety of growing substrates. Pathogenprone ornamental plants such as begonia were then subjected to selected growing substrates. Substrates containing vermicasting or pine bark showed disease suppression, however results were not consistent.
A literature review was conducted and interviews with growers and water treatment companies to assemble information on available technologies. An interactive website will provide growers with an on-line decision process for choosing appropriate technology for their own operation.
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