condition mean min max 12pM Fe,Midday 85.0983 85.0983 85.0983 12pM Fe,Midnight 70.84809999999999 69.8359 71.8603 58pM Fe,Midday 63.5175 63.5175 63.5175 58pM Fe,Midnight 34.49552857142857 0.0 46.4167 233pM Fe,Midnight 21.4674 20.5267 23.3258 1160pM Fe,Midday 28.50052857142857 25.1718 34.2454 1160pM Fe,Midnight 11.201733333333333 7.33857 15.2461 High carbon,Dark 27.021796000000002 8.28464 44.9607 High carbon,Light 8.559563153846154 0.784171 22.7067 Low carbon,Dark 19.7545 19.7545 19.7545 Phloroglucinol 43.45316666666667 25.7555 65.0768 Silicon starvation,12h 42.8189 42.8189 42.8189