Hartikainen, Helinä, and Markku Yli-Halla. “Chloride and Sulphate Solutions As Extractants for Soil P: I Effect of Ionic Species and Ionic Strength on P Desorption ”. Agricultural and Food Science 54, no. 4 (September 1, 1982): 287–296. Accessed July 19, 2024. https://journal.fi/afs/article/view/72108.