condition mean min max 12pM Fe,Midday 34.3907 34.3907 34.3907 12pM Fe,Midnight 20.5734 18.6953 22.4515 58pM Fe,Midday 20.7481 20.7481 20.7481 58pM Fe,Midnight 14.035185714285715 0.0 21.1099 233pM Fe,Midnight 8.65872 5.84113 12.8673 1160pM Fe,Midday 20.203057142857144 17.5077 25.7469 1160pM Fe,Midnight 6.367793333333333 3.27862 10.7666 High carbon,Dark 11.805965333333333 0.0 32.6025 High carbon,Light 14.393653846153846 1.05875 42.1543 Low carbon,Dark 2.54016 2.54016 2.54016 Phloroglucinol 18.45210666666667 9.30572 28.7555 Silicon starvation,12h 27.572 27.572 27.572