condition mean min max 12pM Fe,Midday 20.4537 20.4537 20.4537 12pM Fe,Midnight 15.970299999999998 15.1413 16.7993 58pM Fe,Midday 15.322 15.322 15.322 58pM Fe,Midnight 9.228227142857143 0.0 11.8691 233pM Fe,Midnight 6.514966666666666 6.47544 6.55573 1160pM Fe,Midday 8.820962857142858 7.26115 10.4736 1160pM Fe,Midnight 7.873466666666666 3.95898 10.4907 High carbon,Dark 8.679558 1.12022 23.8861 High carbon,Light 5.350455230769231 0.169333 18.5251 Low carbon,Dark 13.4079 13.4079 13.4079 Phloroglucinol 4.542543333333334 2.91292 6.96758 Silicon starvation,12h 0.528979 0.528979 0.528979