PCR tests confirm this At Proeftuin Ron Peters, various tests were carried out on behalf of Luykx Ultrasound and Ultramins to determine the effects of USAF ultrasonic transmitters on the Tomato brown rugose virus. Read more
"Amazing that risks are still being taken with basin and cultivation water"
Basin water is generally mixed with drain water untreated, so without disinfection. All pathogens that are present in the basin are therefore sent directly into the greenhouse. Robert... Read more