condition mean min max 12pM Fe,Midday 19.4892 19.4892 19.4892 12pM Fe,Midnight 16.6828 14.6118 18.7538 58pM Fe,Midday 16.8439 16.8439 16.8439 58pM Fe,Midnight 17.08554 9.60008 53.7065 233pM Fe,Midnight 8.9383 8.41807 9.55263 1160pM Fe,Midday 12.828742857142856 11.8966 13.9041 1160pM Fe,Midnight 7.921819166666667 3.72408 12.5263 High carbon,Dark 23.811466 4.48454 123.317 High carbon,Light 19.403193846153847 1.24519 63.2096 Low carbon,Dark 11.7839 11.7839 11.7839 Phloroglucinol 19.65876666666667 18.5299 21.5124 Silicon starvation,12h 29.0542 29.0542 29.0542