condition mean min max 12pM Fe,Midday 131.964 131.964 131.964 12pM Fe,Midnight 25.0931 16.5771 33.6091 58pM Fe,Midday 64.3414 64.3414 64.3414 58pM Fe,Midnight 21.119128571428572 0.0 33.4846 233pM Fe,Midnight 28.649733333333334 20.0336 35.2213 1160pM Fe,Midday 48.349585714285716 35.6276 64.6344 1160pM Fe,Midnight 31.720166666666668 21.939 51.8894 High carbon,Dark 55.65216 12.2377 125.436 High carbon,Light 68.32444615384615 12.0956 181.34 Low carbon,Dark 13.1287 13.1287 13.1287 Phloroglucinol 39.65003333333333 16.8759 69.7238 Silicon starvation,12h 36.7755 36.7755 36.7755