condition mean min max 12pM Fe,Midday 71.3513 71.3513 71.3513 12pM Fe,Midnight 49.59915 48.9247 50.2736 58pM Fe,Midday 50.2998 50.2998 50.2998 58pM Fe,Midnight 52.923542857142856 35.4047 139.365 233pM Fe,Midnight 33.12296666666666 27.7048 37.483 1160pM Fe,Midday 31.67427142857143 28.6432 36.3041 1160pM Fe,Midnight 38.33136666666667 32.464 42.7402 High carbon,Dark 41.196874 8.69901 67.269 High carbon,Light 33.00267384615385 2.12421 58.692 Low carbon,Dark 21.6597 21.6597 21.6597 Phloroglucinol 34.582366666666665 25.7946 46.4749 Silicon starvation,12h 30.7821 30.7821 30.7821