M. S. BRAR and N. KAUR, “Effect of soil and foliar applied potassium and nitrogen on yield of potato (Solanum tuberosum) in alluvial soils of Punjab, India”, Indian J Agri Sci, vol. 76, no. 12, Jan. 2011, Accessed: Sep. 19, 2024. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/3351