trial date column_name column_depth_cat column_depth_cm pH 1 2017-07-21 AN-1 top 1 to 3 7.44 1 2017-07-21 AN-1 transition_point 11 7.73 1 2017-07-21 AN-1 bottom 18 to 20 7.74 1 2017-07-21 AN-4 top 1 to 3 7.51 1 2017-07-21 AN-4 transition_point 12 7.65 1 2017-07-21 AN-4 bottom 18 to 20 7.44 1 2017-07-21 AN-6 top 1 to 3 7.48 1 2017-07-21 AN-6 transition_point 12 7.61 1 2017-07-21 AN-6 bottom 18 to 20 7.7 1 2017-07-21 AN-12 top 1 to 3 7.5 1 2017-07-21 AN-12 transition_point 12 7.57 1 2017-07-21 AN-12 bottom 18 to 20 7.68 1 2017-07-21 NN-2 top 1 to 3 7.72 1 2017-07-21 NN-2 transition_point 11 7.81 1 2017-07-21 NN-2 bottom 18 to 20 7.82 1 2017-07-21 NN-7 top 1 to 3 7.75 1 2017-07-21 NN-7 transition_point 11 7.83 1 2017-07-21 NN-7 bottom 18 to 20 7.79 1 2017-07-21 NN-8 top 1 to 3 7.73 1 2017-07-21 NN-8 transition_point 11 7.82 1 2017-07-21 NN-8 bottom 18 to 20 7.8 1 2017-07-21 NN-10 top 1 to 3 7.66 1 2017-07-21 NN-10 transition_point 10.5 7.75 1 2017-07-21 NN-10 bottom 18 to 20 7.56 1 2017-07-21 NA-3 top 1 to 3 7.77 1 2017-07-21 NA-3 transition_point NA NA 1 2017-07-21 NA-3 bottom 18 to 20 7.54 1 2017-07-21 NA-5 top 1 to 3 7.76 1 2017-07-21 NA-5 transition_point 10 7.51 1 2017-07-21 NA-5 bottom 18 to 20 7.43 1 2017-07-21 NA-9 top 1 to 3 7.76 1 2017-07-21 NA-9 transition_point 10 7.58 1 2017-07-21 NA-9 bottom 18 to 20 7.46 1 2017-07-21 NA-11 top 1 to 3 7.73 1 2017-07-21 NA-11 transition_point 9.5 7.69 1 2017-07-21 NA-11 bottom 18 to 20 7.56 2 2017-08-03 AN-1 top 1 to 3 7.49 2 2017-08-03 AN-1 transition_point 10 7.55 2 2017-08-03 AN-1 bottom 18 to 20 7.67 2 2017-08-03 NN-1 top 1 to 3 7.79 2 2017-08-03 NN-1 transition_point 10 7.86 2 2017-08-03 NN-1 bottom 18 to 20 7.83 2 2017-08-03 NA-1 top 1 to 3 7.86 2 2017-08-03 NA-1 transition_point 10 7.72 2 2017-08-03 NA-1 bottom 18 to 20 7.52 2 2017-08-03 AN-2 top 1 to 3 7.55 2 2017-08-03 AN-2 transition_point 9.5 7.77 2 2017-08-03 AN-2 bottom 18 to 20 7.77 2 2017-08-03 NN-2 top 1 to 3 7.87 2 2017-08-03 NN-2 transition_point 10 7.87 2 2017-08-03 NN-2 bottom 18 to 20 7.85 2 2017-08-03 NA-2 top 1 to 3 7.85 2 2017-08-03 NA-2 transition_point 10.5 7.62 2 2017-08-03 NA-2 bottom 18 to 20 7.51 2 2017-08-03 AN-3 top 1 to 3 7.9 2 2017-08-03 AN-3 transition_point 10 7.84 2 2017-08-03 AN-3 bottom 18 to 20 7.85 2 2017-08-03 NN-3 top 1 to 3 7.78 2 2017-08-03 NN-3 transition_point 11 7.87 2 2017-08-03 NN-3 bottom 18 to 20 7.85 2 2017-08-03 NA-3 top 1 to 3 7.83 2 2017-08-03 NA-3 transition_point 9.5 7.7 2 2017-08-03 NA-3 bottom 18 to 20 7.52 2 2017-08-03 AN-4 top 1 to 3 7.62 2 2017-08-03 AN-4 transition_point 10 7.66 2 2017-08-03 AN-4 bottom 18 to 20 7.78 2 2017-08-03 NN-4 top 1 to 3 7.83 2 2017-08-03 NN-4 transition_point 10 7.88 2 2017-08-03 NN-4 bottom 18 to 20 7.83 2 2017-08-03 NA-4 top 1 to 3 7.85 2 2017-08-03 NA-4 transition_point 9.5 7.62 2 2017-08-03 NA-4 bottom 18 to 20 7.51