condition mean min max 12pM Fe,Midday 32.1724 32.1724 32.1724 12pM Fe,Midnight 24.14495 20.8569 27.433 58pM Fe,Midday 35.4921 35.4921 35.4921 58pM Fe,Midnight 16.675585714285713 0.0 23.7915 233pM Fe,Midnight 18.024433333333334 16.5765 20.036 1160pM Fe,Midday 28.2335 22.0142 32.8087 1160pM Fe,Midnight 9.981028333333333 6.04643 12.5585 High carbon,Dark 13.324888666666666 4.4846 22.7322 High carbon,Light 11.14564076923077 1.19351 21.1003 Low carbon,Dark 14.2579 14.2579 14.2579 Phloroglucinol 23.657466666666668 20.4219 27.2081 Silicon starvation,12h 46.5948 46.5948 46.5948