condition mean min max 12pM Fe,Midday 29.1009 29.1009 29.1009 12pM Fe,Midnight 41.086600000000004 36.6877 45.4855 58pM Fe,Midday 42.5115 42.5115 42.5115 58pM Fe,Midnight 20.248571428571427 0.0 26.2524 233pM Fe,Midnight 24.887966666666667 24.3636 25.4425 1160pM Fe,Midday 21.643285714285714 18.4551 25.141 1160pM Fe,Midnight 17.459983333333334 13.4407 21.1638 High carbon,Dark 16.271557333333334 1.08781 40.6605 High carbon,Light 11.873955384615385 2.40011 32.735 Low carbon,Dark 27.6589 27.6589 27.6589 Phloroglucinol 7.149323333333333 4.04275 12.7189 Silicon starvation,12h 34.8332 34.8332 34.8332