Sharma, Vikas, and K. N. Sharma. “POTATO TUBER YIELD AND POTASSIUM UPTAKE AS AFFECTED BY EXCHANGEABLE AND AVAILABLE POTASSIUM CONTENT OF SOILS IN PUNJAB”. Potato Journal, vol. 33, no. 3 - 4, Sept. 2013, https://epubs.icar.org.in/index.php/PotatoJ/article/view/33239.