condition mean min max 12pM Fe,Midday 50.5217 50.5217 50.5217 12pM Fe,Midnight 29.51135 26.4113 32.6114 58pM Fe,Midday 39.223 39.223 39.223 58pM Fe,Midnight 19.516828571428572 0.0 27.2836 233pM Fe,Midnight 13.475333333333333 13.1993 13.6221 1160pM Fe,Midday 29.87112857142857 27.2474 33.5046 1160pM Fe,Midnight 8.700190833333334 6.98295 10.9463 High carbon,Dark 18.182313333333333 12.5786 29.5659 High carbon,Light 17.26563 1.82331 49.3516 Low carbon,Dark 10.0654 10.0654 10.0654 Phloroglucinol 20.985233333333333 16.9814 24.9252 Silicon starvation,12h 23.7892 23.7892 23.7892