condition mean min max 12pM Fe,Midday 50.5837 50.5837 50.5837 12pM Fe,Midnight 47.575900000000004 43.155 51.9968 58pM Fe,Midday 49.3151 49.3151 49.3151 58pM Fe,Midnight 40.07282857142857 35.8919 44.9939 233pM Fe,Midnight 41.8936 39.8018 43.4362 1160pM Fe,Midday 46.551185714285715 41.8089 50.5523 1160pM Fe,Midnight 23.579241666666668 20.6082 26.8431 High carbon,Dark 35.45214 22.2131 53.6079 High carbon,Light 29.021004615384616 8.97376 55.7265 Low carbon,Dark 25.4301 25.4301 25.4301 Phloroglucinol 13.533133333333334 12.1754 16.2134 Silicon starvation,12h 38.8911 38.8911 38.8911