Soman, Sabitha, and Byju, G. “Geospatial Assessment and Mapping of Selected Soil Physical and Chemical Properties at Farm Level: A Case Study in an Ultisol”. JOURNAL OF ROOT CROPS 39, no. 2 (January 1, 2015): 73–86. Accessed November 24, 2024. https://ojs338.isrc.in/index.php/jrc/article/view/147.