Buffer_pH Lime_Requirement 7.0 0.0 6.9 0.0 6.8 1.2 6.7 2.1 6.6 2.9 6.5 3.8 6.4 4.7 6.3 5.5 6.2 6.4 6.1 7.2 6.0 8.1 5.9 9.0 5.8 9.8 5.7 10.7 5.6 11.6 5.5 12.5 5.4 13.4 5.3 14.2 5.2 15.1 5.1 16.0 5.0 16.9 4.9 17.8 4.8 18.6