Authors of papers presented at this conference and within the scope of Sensors may submit a technically extended version to the Special Issue of Sensors. As an open access journal, Sensors have an Article Processing Charge (APC) of 1800 CHF for accepted papers.
The conference participants will receive a 20% discount on the publishing fees.

The extended papers from conference should fulfil the following requirements:

1. The paper should have more than 50% new data and content. It will be much better if the Title and Abstract are different with that of conference paper, so that they can be differentiated in various databases.
2. The conference paper should be cited and noted on the first page of the paper.
3. If the authors do not hold the copyright of the published conference paper, authors should seek the appropriate permission from the copyright holder.
4. Authors are asked to disclose that it is conference paper in their cover letter and include a statement on what has been changed compared to the original conference paper.

The Special Issue website can be reached at: https://www.mdpi.com/journal/sensors/special_issues/MetroAgriFor2019

Sensors (ISSN 1424-8220; CODEN: SENSC9) has an Impact Factor of 3.031 and is covered by the following indexing and abstracting databases: Analytical Abstracts, Chemical Abstracts (CAS), Chemistry Citation Index, Directory of Open Access Journals (DOAJ), IndexCopernicus, Google Scholar, INSPEC, Journal Citation Report, Open-J-Gate, PubMed, Science Citation Index Expanded (SCIE), Scirus, SciSearch and Scopus. For more details, visit the website: http://www.mdpi.com/journal/sensors/

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Manuscripts can be submitted up until the deadline as papers will be published on an ongoing basis. All papers will be peer-reviewed and papers will be published immediately on acceptance and listed together on the Special Issue website.

All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page (http://www.mdpi.com/journal/sensors/instructions).