“PLANT GROWTH STIMULATION OF LIGNITE HuMIC ACID PART-II EFFECT oF LIG­ NITE DERIVED AMMONIUM HUMATE ON WHEAT ( TRITICUM AESTIVUM-V )C ROP USING DIFFERENT LEVELS OF PHOSPHATE FERTILIZER”, Pakistan Journal of Scientific & Industrial Research, vol. 45, no. 4, pp. 273–276, Aug. 2002, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1806