condition mean min max 12pM Fe,Midday 37.5316 37.5316 37.5316 12pM Fe,Midnight 9.76847 9.51984 10.0171 58pM Fe,Midday 34.2897 34.2897 34.2897 58pM Fe,Midnight 8.677738571428572 0.0 13.4426 233pM Fe,Midnight 26.406399999999998 23.644 28.4011 1160pM Fe,Midday 22.878800000000002 18.0505 28.2564 1160pM Fe,Midnight 15.192031666666667 8.46592 26.3254 High carbon,Dark 42.89314 25.4557 66.0475 High carbon,Light 43.261146153846155 11.9866 74.8035 Low carbon,Dark 20.825 20.825 20.825 Phloroglucinol 27.5869 23.7282 30.3517 Silicon starvation,12h 106.424 106.424 106.424