_____________________________________________________________________________________________________ *Corresponding author: E-mail: ceres.codai.ufrpe@gmail.com; Journal of Experimental Agriculture International 20(5): 1-11, 2018; Article no.JEAI.39561 ISSN: 2457-0591 (Past name: American Journal of Experimental Agriculture, Past ISSN: 2231-0606) The Effect of Vinasse Application in Lowland Areas Cultivated with Sugarcane on Spatiotemporal Variability of Groundwater Salinity in the Northeast of Brazil Wellington Pereira da Silva 1 , Ceres Duarte Guedes Cabral de Almeida 2* , Karina Patrícia Prazeres Marques 3 , Gledson Luiz Pontes de Almeida 1 and Brivaldo Gomes de Almeida 4 1 Department of Agricultural Engineering, Federal Rural University of Pernambuco, St. Dom Manoel de Medeiros, s/n, Dois Irmãos, Recife, Pernambuco, Code 52171-900, Brazil. 2 Dom Agostinho Ikas Agricultural School, Federal Rural University of Pernambuco, São Lourenço da Mata, Pernambuco, Code 54735-000, Brazil. 3 Department of Soil Science, College of Agriculture "Luiz de Queiroz", University of São Paulo, Pádua Dias Avenue, 11, CP 9, Piracicaba, São Paulo, Code 13418-900, Brazil. 4 Department of Agronomy, Federal Rural University of Pernambuco, Recife, Pernambuco, Code 52171-900, Brazil. Authors’ contributions This work was carried out in collaboration between all authors. Author WPS was a Master of Science student and this article is part of his dissertation, this author conducted the study, collected the samples in the field and did the statistical analysis of the data, wrote the protocol and wrote the first draft of the manuscript. Author CDGCA was advisor of this dissertation, she designed the study and monitored and supervised all of this study. Author KPPM assisted in conducting the study and collected the samples and did laboratory analysis. Author GLPA performed geostatistical analysis and maps. Authors KPPM, GLPA and BGA assisted in writing in the manuscript and discussing the data. All authors read and approved the final manuscript. Article Information DOI: 10.9734/JEAI/2018/39561 Editor(s): (1) Mohammad Reza Naroui Rad, Department of Seed and Plant improvement, Sistan Agricultural and Natural Resources Research Center, AREEO, Zabol, Iran. Reviewers: (1) Ahmed Karmaoui, Morocco. (2) Daniel Teixeira Pinheiro, Universidade Federal de Viçosa, Brazil. (3) Kouame Konan Didier, Félix Houphouet Boigny University, Côte d'Ivoire. Complete Peer review History: http://www.sciencedomain.org/review-history/23331 Received 23 rd November 2017 Accepted 20 th February 2018 Published 24 th February 2018 Original Research Article