condition mean min max 12pM Fe,Midday 16.2003 16.2003 16.2003 12pM Fe,Midnight 25.4815 14.6644 36.2986 58pM Fe,Midday 8.43222 8.43222 8.43222 58pM Fe,Midnight 19.216814285714285 0.0 31.3137 233pM Fe,Midnight 12.952356666666667 9.49557 15.0848 1160pM Fe,Midday 11.3936 8.83744 14.9705 1160pM Fe,Midnight 10.154654166666667 4.17402 15.8133 High carbon,Dark 10.293953333333334 0.0 22.2718 High carbon,Light 6.310453076923077 0.0 18.1507 Low carbon,Dark 1.54852 1.54852 1.54852 Phloroglucinol 26.017433333333333 25.2496 26.7674 Silicon starvation,12h 8.17591 8.17591 8.17591