condition mean min max 12pM Fe,Midday 51.8085 51.8085 51.8085 12pM Fe,Midnight 45.935050000000004 42.9035 48.9666 58pM Fe,Midday 42.7652 42.7652 42.7652 58pM Fe,Midnight 32.80155714285714 0.0 40.7916 233pM Fe,Midnight 28.465666666666667 27.4848 29.5883 1160pM Fe,Midday 28.753242857142858 25.245 30.3775 1160pM Fe,Midnight 26.012091666666667 19.3022 30.8532 High carbon,Dark 25.31861466666667 2.28092 46.2331 High carbon,Light 16.482604615384616 2.11808 30.8259 Low carbon,Dark 25.9186 25.9186 25.9186 Phloroglucinol 60.43326666666667 41.9286 73.2707 Silicon starvation,12h 33.5715 33.5715 33.5715