condition mean min max 12pM Fe,Midday 29.3703 29.3703 29.3703 12pM Fe,Midnight 18.731949999999998 17.1012 20.3627 58pM Fe,Midday 18.0747 18.0747 18.0747 58pM Fe,Midnight 19.556157142857142 15.4605 37.6244 233pM Fe,Midnight 6.46078 6.16539 6.82336 1160pM Fe,Midday 12.782271428571429 11.3836 14.922 1160pM Fe,Midnight 11.462982499999999 6.03534 18.897 High carbon,Dark 15.287863999999999 1.17424 33.6631 High carbon,Light 11.209054615384616 1.41047 23.3033 Low carbon,Dark 8.59923 8.59923 8.59923 Phloroglucinol 12.548033333333333 10.7109 14.3864 Silicon starvation,12h 6.62411 6.62411 6.62411