condition mean min max 12pM Fe,Midday 69.3965 69.3965 69.3965 12pM Fe,Midnight 73.1988 69.4406 76.957 58pM Fe,Midday 55.7943 55.7943 55.7943 58pM Fe,Midnight 68.26968571428571 51.4351 125.647 233pM Fe,Midnight 45.747366666666665 43.3634 48.314 1160pM Fe,Midday 45.44372857142857 42.8789 49.3848 1160pM Fe,Midnight 48.621325 39.4744 59.5323 High carbon,Dark 37.762946666666664 12.2862 51.0334 High carbon,Light 29.71227846153846 8.29862 40.1831 Low carbon,Dark 23.9766 23.9766 23.9766 Phloroglucinol 30.807466666666667 25.9472 33.7939 Silicon starvation,12h 30.9473 30.9473 30.9473