condition mean min max 12pM Fe,Midday 236.082 236.082 236.082 12pM Fe,Midnight 109.7895 100.88 118.699 58pM Fe,Midday 346.437 346.437 346.437 58pM Fe,Midnight 163.79285714285714 112.451 415.465 233pM Fe,Midnight 238.7 233.285 246.012 1160pM Fe,Midday 268.4494285714286 241.764 304.382 1160pM Fe,Midnight 216.90016666666668 165.668 265.714 High carbon,Dark 407.5538 269.408 610.594 High carbon,Light 398.2436769230769 69.6581 679.786 Low carbon,Dark 385.524 385.524 385.524 Phloroglucinol 253.93966666666665 156.645 383.02 Silicon starvation,12h 266.652 266.652 266.652