Specialist in Combating Invasive alien SpeciesEradicating Japanese knotweed rhizomes in the soil with a single freezing treatment. This patented technique was developed by Tibach. Independent research from Wageningen University Research has shown that cold in the soil is not harmful to the soil life and the seed bank.At the request of the Ministry of Agriculture, Nature and Food Quality, research has been conducted to identify which other invasive species can be combated with freezing temperatures. This is important research because chemical control is being banned in more and more countries.Invasive ant species are also not resistant to this treatment method. The egg-laying queens are frozen in the soil, along with the workers.We provide advice on combating invasive species (plant or animal), create treatment plans, and choose the most suitable treatment method.We provide advice on combating invasive species (plant or animal), create treatment plans, and choose the most suitable treatment method.