condition mean min max 12pM Fe,Midday 89.7745 89.7745 89.7745 12pM Fe,Midnight 57.576449999999994 53.7538 61.3991 58pM Fe,Midday 81.4735 81.4735 81.4735 58pM Fe,Midnight 55.42762857142857 47.3427 74.3907 233pM Fe,Midnight 34.805166666666665 34.5061 35.113 1160pM Fe,Midday 55.106228571428574 47.9092 63.0056 1160pM Fe,Midnight 20.759283333333332 18.0828 24.4263 High carbon,Dark 47.8766 23.217 99.845 High carbon,Light 37.480984615384614 11.8269 65.7562 Low carbon,Dark 54.7476 54.7476 54.7476 Phloroglucinol 33.30036666666666 26.7248 40.9182 Silicon starvation,12h 20.4792 20.4792 20.4792