condition mean min max 12pM Fe,Midday 61.8386 61.8386 61.8386 12pM Fe,Midnight 51.4251 49.2034 53.6468 58pM Fe,Midday 64.6329 64.6329 64.6329 58pM Fe,Midnight 35.8692 0.0 49.3897 233pM Fe,Midnight 49.20166666666667 46.7756 51.1759 1160pM Fe,Midday 61.508042857142854 57.9496 64.2946 1160pM Fe,Midnight 27.160808333333335 18.0026 38.815 High carbon,Dark 69.36624666666667 26.2811 202.598 High carbon,Light 56.90613076923077 11.7278 118.022 Low carbon,Dark 46.5335 46.5335 46.5335 Phloroglucinol 40.498 27.4273 50.1158 Silicon starvation,12h 65.8819 65.8819 65.8819