condition mean min max 12pM Fe,Midday 56.084 56.084 56.084 12pM Fe,Midnight 73.2015 67.3338 79.0692 58pM Fe,Midday 93.7485 93.7485 93.7485 58pM Fe,Midnight 43.335414285714286 33.6352 78.9589 233pM Fe,Midnight 35.103033333333336 33.8939 36.4186 1160pM Fe,Midday 38.256971428571426 31.0957 44.0717 1160pM Fe,Midnight 19.544201666666666 7.89262 32.4048 High carbon,Dark 27.814669333333335 1.40815 88.6193 High carbon,Light 18.68608076923077 1.13273 60.4115 Low carbon,Dark 46.3793 46.3793 46.3793 Phloroglucinol 15.56517 8.90771 28.4495 Silicon starvation,12h 16.9976 16.9976 16.9976