condition mean min max 12pM Fe,Midday 42.7111 42.7111 42.7111 12pM Fe,Midnight 34.12465 33.9529 34.2964 58pM Fe,Midday 30.8674 30.8674 30.8674 58pM Fe,Midnight 32.03191428571429 26.6118 39.7467 233pM Fe,Midnight 19.5158 18.2286 21.3094 1160pM Fe,Midday 25.478657142857145 22.849 29.0278 1160pM Fe,Midnight 18.227816666666666 13.7804 22.8642 High carbon,Dark 18.570025333333334 4.78468 28.2726 High carbon,Light 13.374543846153847 3.55447 22.9708 Low carbon,Dark 11.0828 11.0828 11.0828 Phloroglucinol 30.30923333333333 28.4454 32.2985 Silicon starvation,12h 23.9832 23.9832 23.9832