condition mean min max 12pM Fe,Midday 51.595 51.595 51.595 12pM Fe,Midnight 28.9675 25.9439 31.9911 58pM Fe,Midday 28.5962 28.5962 28.5962 58pM Fe,Midnight 20.381 0.0 30.0487 233pM Fe,Midnight 31.104733333333332 23.8998 35.3096 1160pM Fe,Midday 38.54841428571429 33.5103 41.8162 1160pM Fe,Midnight 15.00365 10.4303 20.5947 High carbon,Dark 23.615011333333335 2.96997 53.5234 High carbon,Light 30.730788846153846 0.667575 64.7942 Low carbon,Dark 47.9085 47.9085 47.9085 Phloroglucinol 22.624766666666666 18.1194 30.8271 Silicon starvation,12h 86.4548 86.4548 86.4548