This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/ejss.12918 Earthworms in Brazilian no-tillage agriculture: current status and future challenges Wilian C. Demetrio 1 , Ricardo H. Ribeiro 1 , Herlon Nadolny 1 , Marie L.C. Bartz 2 , & George G. Brown 1,3 1 Department of Soils and Agricultural Engineering, Federal University of ParanĂ¡, 80035- 050, Curitiba, PR, Brazil; 2 Positivo University, Prof. Pedro Viriato Parigot de Souza St. 5300, 81280-330, Curitiba, PR, Brazil; 3 Embrapa Forestry, Estrada da Ribeira Km 111, 83411-000, PR, Colombo, Brazil. Correspondence: Wilian C. Demetrio. E-mail: wiliandemetrio@hotmail.com George G. Brown. E-mail: minhocassu@gmail.com Running title: Earthworms in Brazilian no-till systems This article is protected by copyright. All rights reserved.