condition mean min max 12pM Fe,Midday 112.484 112.484 112.484 12pM Fe,Midnight 54.56915 53.0199 56.1184 58pM Fe,Midday 86.7536 86.7536 86.7536 58pM Fe,Midnight 27.532071428571427 0.0 41.1736 233pM Fe,Midnight 19.9391 16.8432 21.7728 1160pM Fe,Midday 53.594342857142856 34.5498 62.3161 1160pM Fe,Midnight 37.310025 14.2033 57.4032 High carbon,Dark 38.97770466666667 6.63537 76.376 High carbon,Light 54.788077692307695 6.26414 99.3709 Low carbon,Dark 32.1105 32.1105 32.1105 Phloroglucinol 264.81166666666667 238.127 284.459 Silicon starvation,12h 44.5406 44.5406 44.5406