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Margit Olle from Aru Agricultural Ltd. and NPO Veggies Cultivation participated at ACPP2022 conference in Tunisia. Travel grant was provided by National Foundation of Civil Society in Estonia, the State Shared Service Centre (in Estonia) and Aru Agricultural Ltd.

Oral presentation

The effect of vermicompost tea on plant protection. Margit Olle. Email:; website: <>. Address: NPO Veggies Cultivation, Kesa 60, Tartu, 50115, Estonia; Aru Agricultural Ltd., Vandu tee 17, Hulja, Lääne-Virumaa, 45203, Estonia. The aim of this review is to describe the effect of vermicompost tea on plant protection. In the last two decades, the liquid solution of vermicompost, i.e., vermicompost tea, has been widely used for the management of plant diseases and pests. Vermicompost tea can also coat leaf surfaces, reducing available sites for pathogen infection, or increasing microbial diversity, which can kill harmful pathogens. Diseases and pests can be managed successfully without affecting human health or the environment by using vermicompost tea as eco-friendly organic amendments and as a replacement for inorganic pesticides and fungicides, and chemical-free food can be provided to humanity in the future. As a result, these organic solutions are regarded as viable alternatives to chemical pesticides and fungicides, and they should be used more frequently to prevent disease and ensure food security and safety.


Conference tour was arranged to Mabrouka. This is a family-owned company, the best in Tunesia. Since its creation in 1994, from small to large scale projects, the MABROUKA Company climbed its way up the ranks to become a Leader in its field by providing high quality standards plants and services. Its human competences and its technological resources are developed to serve the production, the propagation and the marketing of olive trees, vitroplants, fruit seedlings and citrus fruits seedlings. MABROUKA performs and improves its excellence in order to contribute to a better and sustainable agriculture; thanks to the foundation, several years ago, of the first In Vitro highly sophisticated Laboratory on an industrial scale in Tunisia. Their nursery and their lumberyard are approved by the Ministry for Agriculture:

  • A High-Tech Laboratory In Vitro: 3000 m2

  • Area covered (under greenhouse): 15 hectares

  • Shaded surface: 5 hectares

  • Breeding area: 20 hectares

  • Lumberyard:10 hectares

  • Planting fruit trees: 150 hectares

The program was tight. On a very high level presented presentations made this conference a success.

Conference had a very good scientific presentations and all abstracts and contacts are available here:

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