condition mean min max 12pM Fe,Midday 54.0173 54.0173 54.0173 12pM Fe,Midnight 40.5972 40.0879 41.1065 58pM Fe,Midday 36.577 36.577 36.577 58pM Fe,Midnight 48.99977142857143 37.1116 90.1521 233pM Fe,Midnight 46.1382 44.804 48.3283 1160pM Fe,Midday 43.730042857142855 37.4926 48.6063 1160pM Fe,Midnight 25.268625 17.442 39.8157 High carbon,Dark 30.758890666666666 9.53856 44.9427 High carbon,Light 28.44321846153846 8.36074 41.7553 Low carbon,Dark 42.0336 42.0336 42.0336 Phloroglucinol 28.3205 22.089 33.692 Silicon starvation,12h 48.3377 48.3377 48.3377