condition mean min max 12pM Fe,Midday 24.3131 24.3131 24.3131 12pM Fe,Midnight 14.78725 14.6865 14.888 58pM Fe,Midday 16.7719 16.7719 16.7719 58pM Fe,Midnight 8.164345714285714 0.0 10.3214 233pM Fe,Midnight 13.106266666666667 12.6919 13.926 1160pM Fe,Midday 11.577757142857143 10.6478 13.7106 1160pM Fe,Midnight 9.637466666666667 7.13194 12.4739 High carbon,Dark 12.330335333333334 5.44623 18.2108 High carbon,Light 12.07878076923077 4.00844 17.3422 Low carbon,Dark 11.5664 11.5664 11.5664 Phloroglucinol 4.4777 3.60834 5.83027 Silicon starvation,12h 28.5313 28.5313 28.5313