condition mean min max 12pM Fe,Midday 213.909 213.909 213.909 12pM Fe,Midnight 178.6005 140.162 217.039 58pM Fe,Midday 105.73 105.73 105.73 58pM Fe,Midnight 134.2785142857143 80.6726 231.481 233pM Fe,Midnight 133.63233333333335 127.402 138.454 1160pM Fe,Midday 101.83965714285715 88.5435 117.062 1160pM Fe,Midnight 120.93685833333333 62.7166 180.277 High carbon,Dark 135.04796666666667 61.6703 251.602 High carbon,Light 109.1855923076923 50.2776 225.532 Low carbon,Dark 95.7601 95.7601 95.7601 Phloroglucinol 491.351 451.82 537.999 Silicon starvation,12h 276.944 276.944 276.944