condition mean min max 12pM Fe,Midday 268.82 268.82 268.82 12pM Fe,Midnight 472.537 453.032 492.042 58pM Fe,Midday 464.274 464.274 464.274 58pM Fe,Midnight 735.8712857142857 640.281 854.519 233pM Fe,Midnight 430.709 423.019 440.249 1160pM Fe,Midday 555.7262857142857 493.126 652.114 1160pM Fe,Midnight 1087.1289166666668 679.494 1466.6 High carbon,Dark 117.29925733333333 7.49356 230.755 High carbon,Light 71.68626153846154 5.08475 111.124 Low carbon,Dark 168.473 168.473 168.473 Phloroglucinol 4.632436666666667 3.95024 4.98517 Silicon starvation,12h 31.7686 31.7686 31.7686