condition mean min max 12pM Fe,Midday 2.90355 2.90355 2.90355 12pM Fe,Midnight 42.0527 32.2694 51.836 58pM Fe,Midday 7.27938 7.27938 7.27938 58pM Fe,Midnight 44.36561428571429 0.0 62.0872 233pM Fe,Midnight 72.88283333333334 67.104 76.5488 1160pM Fe,Midday 1.8056754285714285 0.956458 2.70994 1160pM Fe,Midnight 53.89650833333334 22.1634 86.9565 High carbon,Dark 56.694853333333334 14.5728 87.8421 High carbon,Light 26.74922769230769 4.07307 60.967 Low carbon,Dark 57.4042 57.4042 57.4042 Phloroglucinol 4.9922466666666665 2.75352 7.27775 Silicon starvation,12h 57.2703 57.2703 57.2703