condition mean min max 12pM Fe,Midday 40.6615 40.6615 40.6615 12pM Fe,Midnight 20.8039 20.6622 20.9456 58pM Fe,Midday 29.2541 29.2541 29.2541 58pM Fe,Midnight 12.284357142857143 0.0 17.2119 233pM Fe,Midnight 15.360566666666667 14.5573 16.448 1160pM Fe,Midday 32.4709 31.0791 35.3227 1160pM Fe,Midnight 7.0109216666666665 5.15991 8.14397 High carbon,Dark 16.652240666666668 2.98592 29.1306 High carbon,Light 23.979119846153846 0.894878 48.5619 Low carbon,Dark 13.894 13.894 13.894 Phloroglucinol 11.061663333333334 8.64909 13.463 Silicon starvation,12h 35.6757 35.6757 35.6757