condition mean min max 12pM Fe,Midday 26.3013 26.3013 26.3013 12pM Fe,Midnight 29.3254 28.9153 29.7355 58pM Fe,Midday 21.5628 21.5628 21.5628 58pM Fe,Midnight 27.028285714285715 22.4704 38.1623 233pM Fe,Midnight 19.1703 18.2848 20.859 1160pM Fe,Midday 21.511042857142858 19.3815 23.481 1160pM Fe,Midnight 28.34865 17.2005 39.5876 High carbon,Dark 17.396874666666665 7.10548 27.5744 High carbon,Light 12.952517692307692 1.35534 33.797 Low carbon,Dark 14.1299 14.1299 14.1299 Phloroglucinol 40.62553333333333 18.9701 78.4053 Silicon starvation,12h 15.5144 15.5144 15.5144