condition mean min max 12pM Fe,Midday 36.0463 36.0463 36.0463 12pM Fe,Midnight 51.9099 46.1479 57.6719 58pM Fe,Midday 41.3374 41.3374 41.3374 58pM Fe,Midnight 43.83264285714286 0.0 55.7351 233pM Fe,Midnight 84.52816666666666 79.861 86.928 1160pM Fe,Midday 14.084900000000001 10.2214 19.8043 1160pM Fe,Midnight 120.272525 90.9147 142.194 High carbon,Dark 136.22226 61.0497 248.77 High carbon,Light 122.09100153846154 2.46783 311.955 Low carbon,Dark 74.0103 74.0103 74.0103 Phloroglucinol 48.0763 28.3013 59.3636 Silicon starvation,12h 97.8074 97.8074 97.8074