condition mean min max 12pM Fe,Midday 55.5744 55.5744 55.5744 12pM Fe,Midnight 29.17145 27.5929 30.75 58pM Fe,Midday 55.4793 55.4793 55.4793 58pM Fe,Midnight 24.09267142857143 0.0 32.2657 233pM Fe,Midnight 52.86306666666667 51.4713 53.8839 1160pM Fe,Midday 43.771971428571426 37.9041 49.4049 1160pM Fe,Midnight 37.16973333333333 29.0651 47.3187 High carbon,Dark 62.805706666666666 26.2552 92.1798 High carbon,Light 64.47261538461538 23.6458 99.4029 Low carbon,Dark 44.5743 44.5743 44.5743 Phloroglucinol 29.14496666666667 21.5091 33.0385 Silicon starvation,12h 64.9631 64.9631 64.9631