condition mean min max 12pM Fe,Midday 28.408 28.408 28.408 12pM Fe,Midnight 20.90925 20.0498 21.7687 58pM Fe,Midday 26.5542 26.5542 26.5542 58pM Fe,Midnight 18.05447142857143 13.432 37.9649 233pM Fe,Midnight 9.508603333333333 8.38025 10.4137 1160pM Fe,Midday 13.220457142857143 10.7651 15.0112 1160pM Fe,Midnight 3.926405 2.52717 6.27164 High carbon,Dark 7.865999333333333 1.91047 15.0054 High carbon,Light 5.340354230769231 0.72333 12.5551 Low carbon,Dark 6.42103 6.42103 6.42103 Phloroglucinol 7.352156666666667 5.62143 10.6959 Silicon starvation,12h 17.6216 17.6216 17.6216