condition mean min max 12pM Fe,Midday 54.5065 54.5065 54.5065 12pM Fe,Midnight 35.355199999999996 32.0513 38.6591 58pM Fe,Midday 44.3001 44.3001 44.3001 58pM Fe,Midnight 22.014142857142858 0.0 30.5427 233pM Fe,Midnight 20.73 20.5233 21.0483 1160pM Fe,Midday 35.84764285714286 33.2687 38.57 1160pM Fe,Midnight 11.950236666666667 8.09608 14.6657 High carbon,Dark 27.656486666666666 9.1722 48.2724 High carbon,Light 21.514994615384616 4.59542 36.8642 Low carbon,Dark 26.2433 26.2433 26.2433 Phloroglucinol 77.03046666666667 52.4985 92.1507 Silicon starvation,12h 37.1385 37.1385 37.1385