condition mean min max 12pM Fe,Midday 60.9756 60.9756 60.9756 12pM Fe,Midnight 53.0284 48.2125 57.8443 58pM Fe,Midday 50.7958 50.7958 50.7958 58pM Fe,Midnight 37.125571428571426 0.0 45.69 233pM Fe,Midnight 31.5874 28.2501 37.4298 1160pM Fe,Midday 39.112742857142855 34.4301 42.8044 1160pM Fe,Midnight 19.861316666666667 14.4732 23.674 High carbon,Dark 35.15442 17.1389 59.4228 High carbon,Light 30.050236923076923 5.60346 57.848 Low carbon,Dark 18.3666 18.3666 18.3666 Phloroglucinol 67.46223333333333 54.4244 83.0855 Silicon starvation,12h 46.032 46.032 46.032