condition mean min max 12pM Fe,Midday 49.5574 49.5574 49.5574 12pM Fe,Midnight 37.7241 34.3652 41.083 58pM Fe,Midday 28.9886 28.9886 28.9886 58pM Fe,Midnight 26.4849 0.0 39.1079 233pM Fe,Midnight 26.424100000000003 19.9218 33.1195 1160pM Fe,Midday 54.17514285714286 47.7185 59.7952 1160pM Fe,Midnight 18.064675 10.2917 24.2271 High carbon,Dark 32.727774000000004 4.31733 71.7253 High carbon,Light 49.97037 7.30032 84.1981 Low carbon,Dark 29.677 29.677 29.677 Phloroglucinol 23.3302 20.2023 27.9588 Silicon starvation,12h 34.2142 34.2142 34.2142