condition mean min max 12pM Fe,Midday 64.0486 64.0486 64.0486 12pM Fe,Midnight 59.4588 58.6942 60.2234 58pM Fe,Midday 69.8996 69.8996 69.8996 58pM Fe,Midnight 40.556085714285715 34.755 64.4085 233pM Fe,Midnight 26.145233333333334 25.6404 26.8995 1160pM Fe,Midday 30.28742857142857 27.9974 32.2082 1160pM Fe,Midnight 26.420175 21.083 33.9164 High carbon,Dark 32.40948 11.0559 53.102 High carbon,Light 23.810553846153848 10.5599 48.0155 Low carbon,Dark 23.259 23.259 23.259 Phloroglucinol 18.898733333333332 12.5456 28.5148 Silicon starvation,12h 25.3597 25.3597 25.3597