"Calculation of K Uptake by Three Crops Grown Under Controlled Conditions Using a Mechanistic Model". University of Khartoum Journal of Agricultural Sciences 19, no. 2 (مارس 28, 2023). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/uofkjas/article/view/1903.