Journal of Soil Science and Environmental Management 2141-2391 Academic Journals 10.5897/JSSEM2021.0872 Gunamantha I. M. Sudiana I. K. Sastrawidana D. K. Suryaputra I. N. G. A. Oviantari M. V. * E-mail: md_gunamantha@yahoo.com 2021 30 04 2021 11 02 2021 06 04 2021 12 2 78 85 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/JSSEM/article-abstract/07778DA66839 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/JSSEM/article-full-text-pdf/07778DA66839 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16