Sootahar, M.K. et al. 2022. Short-Term Impact of Plant and Liquid derived Fulvic Acids on the Physiological Characteristics, Plant Growth and Nutrient Uptake of Maize-Wheat Production: Effect of fulvic acid on growth and soil. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences. 59, 1 (May 2022), 37–47. DOI:https://doi.org/10.53560/PPASB(59-1)694.