condition mean min max 12pM Fe,Midday 24.3264 24.3264 24.3264 12pM Fe,Midnight 19.774549999999998 19.6766 19.8725 58pM Fe,Midday 15.546 15.546 15.546 58pM Fe,Midnight 14.618857142857143 0.0 19.3911 233pM Fe,Midnight 9.663173333333333 8.55722 10.3325 1160pM Fe,Midday 14.62122857142857 10.2698 17.3046 1160pM Fe,Midnight 9.789645833333333 7.67322 13.9425 High carbon,Dark 18.220336666666668 2.85599 34.7997 High carbon,Light 12.002003846153846 3.18251 21.543 Low carbon,Dark 16.8367 16.8367 16.8367 Phloroglucinol 5.2752566666666665 4.51662 6.75222 Silicon starvation,12h 16.6604 16.6604 16.6604