Chandra, S.K., and A.P. Lisoval. “ Effect of Continuous Use of Manures and Fertilizers on the Chemistry of Phosphate in Meadow-Chernozemic Soils of U.S.S.R ”. Asian Journal of Chemistry 1, no. 2 (March 30, 2010): 135–140. Accessed November 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/25382.