Full report is available at Science Trends.
These findings are described in the article entitled Modeling soil salinity using direct and indirect measurement techniques: A comparative analysis, published in Environmental Development. This work was conducted by Abu Yousuf Md Abdullah from University of Waterloo, Raaj Kishore Biswas from the University of New South Wales, Atique Iqbal Chowdhury and SK Masum Billah from the International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b).