condition mean min max 12pM Fe,Midday 22.0752 22.0752 22.0752 12pM Fe,Midnight 13.453399999999998 11.8304 15.0764 58pM Fe,Midday 16.9093 16.9093 16.9093 58pM Fe,Midnight 14.459557142857143 0.0 20.1901 233pM Fe,Midnight 15.576533333333334 13.9529 18.3819 1160pM Fe,Midday 12.4426 10.1639 16.3451 1160pM Fe,Midnight 17.8249325 9.81339 25.3395 High carbon,Dark 15.267579333333334 4.69985 32.4516 High carbon,Light 12.497406153846153 2.77315 21.5392 Low carbon,Dark 9.10169 9.10169 9.10169 Phloroglucinol 6.869703333333334 4.12922 11.8972 Silicon starvation,12h 24.5578 24.5578 24.5578