condition mean min max 12pM Fe,Midday 25.8371 25.8371 25.8371 12pM Fe,Midnight 22.32085 22.0965 22.5452 58pM Fe,Midday 19.8315 19.8315 19.8315 58pM Fe,Midnight 27.95472857142857 13.1855 87.2066 233pM Fe,Midnight 19.007833333333334 17.9084 20.5393 1160pM Fe,Midday 15.423314285714286 13.4245 18.2672 1160pM Fe,Midnight 26.633208333333332 14.5696 35.2405 High carbon,Dark 22.642906666666665 10.3641 39.0706 High carbon,Light 18.074929230769232 3.22553 27.1715 Low carbon,Dark 15.5752 15.5752 15.5752 Phloroglucinol 22.978466666666666 21.3284 26.2543 Silicon starvation,12h 26.6957 26.6957 26.6957