Kaur, Dr. Kamalpreet. “Study of PH and Electrical Conductivity in Soil of Barnala District (Punjab, India): Deleterious Effects on Human Lives”. Discoveries in Agriculture and Food Sciences 7, no. 6 (December 30, 2019): 17–26. Accessed April 26, 2024. https://journals.scholarpublishing.org/index.php/TNC/article/view/7585.