_____________________________________________________________________________________________________ *Corresponding author: E-mail: manirahol4@gmail.com; Asian Journal of Research in Agriculture and Forestry 4(4): 1-10, 2019; Article no.AJRAF.52194 ISSN: 2581-7418 Effect of Herbagreen Foliar Fertilizer on Growth and Productivity of Maize in the Mid-altitude Zone of Rwanda Leonidas Maniraho 1* , Isaie Mushimiyimana 2 , Aloys Twagirumukiza 1 , Christian Kayonga 3 , Olivier Twagirayezu 4 and Faustin Mbarubukeye 5 1 Department of Rural and Community Development, Protestant Institute of Arts and Social Sciences (PIASS), Rwanda. 2 Department of Food Science and Technology, College of Agriculture, Animal Sciences and Veterinary Medicine, University of Rwanda (CAVM/UR), Rwanda. 3 Department of Agriculture, SNV Rwanda, Rwanda. 4 Department of Agriculture, Muyira Sector, Nyanza, Rwanda. 5 Department of Animal Resources and Technology Transfer, Rwanda Agriculture and Animal Resources Development Board (RAB), Rwanda. Authors’ contributions This work was carried out in collaboration among all authors. Authors LM and OT designed the study, performed the statistical analysis, wrote the protocol and wrote the first draft of the manuscript. Authors IM and CK managed the analyses of the study. Author FM managed the literature searches. All authors read and approved the final manuscript. Article Information DOI: 10.9734/AJRAF/2019/v4i430070 Editor(s): (1) Dr. Nebi Bilir, Professor, Faculty of Forestry, Isparta University of Applied Sciences, 32260 Isparta, Turkey. Reviewers: (1) Chemutai Roseline, Bukalasa Agricultural College, Uganda. (2) Seweta Srivastava, Lovely Professional University, India. (3) Rahim Foroughbakhch Pournavab, Autonomous University of Nuevo Leon, Mexico. Complete Peer review History: http://www.sdiarticle4.com/review-history/52194 Received 28 August 2019 Accepted 01 November 2019 Published 04 December 2019 ABSTRACT Maize (Zea mays L) is still largely a subsistence food crop under promotion as a food security crop and source of income for smallholders. It is grown in the mid altitude zone of Rwanda. Herbagreen is a Bio fertilizer, used successfully in agriculture in different countries of the world. The objective of this study was to determine the maize response to herbagreen foliar fertilizer application and determine the optimum rate for maximum yield. This was done in Randomized Original Research Article