BHATT, Pooja, SINGH, V.K, KUMAR, Sanjeev and CHAUDHARY, Parul. Ameliorative Response of Humic Acid and Plant Growth Promoting Rhizobacteria on Soil Microorganism Population in the Northern Region of India. Ecological Questions. Online. 31 July 2025. Vol. 36, no. 2, pp. 1-16. [Accessed 2 March 2026]. DOI 10.12775/EQ.2025.021.