condition mean min max 12pM Fe,Midday 46.0545 46.0545 46.0545 12pM Fe,Midnight 21.7031 21.1239 22.2823 58pM Fe,Midday 26.515 26.515 26.515 58pM Fe,Midnight 16.32677142857143 0.0 21.9685 233pM Fe,Midnight 10.267446666666666 9.93248 10.8964 1160pM Fe,Midday 14.393485714285713 10.3519 18.6785 1160pM Fe,Midnight 10.871123333333333 7.14446 14.4468 High carbon,Dark 16.66881933333333 1.27352 34.2696 High carbon,Light 16.31287769230769 3.6155 43.2783 Low carbon,Dark 27.4511 27.4511 27.4511 Phloroglucinol 9.079593333333333 5.34368 11.3419 Silicon starvation,12h 49.6609 49.6609 49.6609