“?EFFECTS OF SULPHUR, ZINC AND BORON ON YIELD, YIELD COMPONENTS AND NUTRIENT UPTAKE OF WHEAT”, Pakistan Journal of Scientific & Industrial Research, vol. 42, no. 3, pp. 137–140, Jun. 1999, Accessed: Mar. 10, 2026. [Online]. Available: https://v2.pjsir.org/index.php/biological-sciences/article/view/2135