Sun Y, Zhang J. Advances in the Application of Humic Acid in Agriculture: Impacts on Soil Fertility, Crop Growth, and Carbon Emissions. IJPHMR [Internet]. 2024 Nov. 12 [cited 2026 Apr. 20];2(3):27-30. Available from: https://wepub.org/index.php/IJPHMR/article/view/4662