condition mean min max 12pM Fe,Midday 27.8264 27.8264 27.8264 12pM Fe,Midnight 35.211 31.3168 39.1052 58pM Fe,Midday 21.9238 21.9238 21.9238 58pM Fe,Midnight 45.93458571428572 26.7029 135.506 233pM Fe,Midnight 35.3525 32.8449 38.4571 1160pM Fe,Midday 24.44112857142857 20.7361 34.1539 1160pM Fe,Midnight 28.593691666666665 22.8722 33.4903 High carbon,Dark 22.967990666666665 7.48027 41.4776 High carbon,Light 12.122447692307691 0.0 26.1043 Low carbon,Dark 18.5823 18.5823 18.5823 Phloroglucinol 16.674633333333333 14.4595 20.5163 Silicon starvation,12h 31.6647 31.6647 31.6647