condition mean min max 12pM Fe,Midday 58.45 58.45 58.45 12pM Fe,Midnight 29.4498 26.0218 32.8778 58pM Fe,Midday 41.3104 41.3104 41.3104 58pM Fe,Midnight 23.3167 0.0 34.0219 233pM Fe,Midnight 16.842366666666667 15.1296 18.9141 1160pM Fe,Midday 48.76788571428572 41.1722 58.3524 1160pM Fe,Midnight 14.18386 7.25702 17.6545 High carbon,Dark 18.455035333333335 8.9863 39.5451 High carbon,Light 20.587137692307692 5.19401 45.1929 Low carbon,Dark 10.7524 10.7524 10.7524 Phloroglucinol 14.425466666666667 11.7481 16.5011 Silicon starvation,12h 21.7525 21.7525 21.7525