condition mean min max 12pM Fe,Midday 27.3812 27.3812 27.3812 12pM Fe,Midnight 32.176 31.8924 32.4596 58pM Fe,Midday 18.5211 18.5211 18.5211 58pM Fe,Midnight 21.3104 0.0 28.22 233pM Fe,Midnight 19.147433333333332 17.8033 21.0689 1160pM Fe,Midday 14.002857142857144 13.1428 15.5539 1160pM Fe,Midnight 9.286466666666668 6.02358 12.2543 High carbon,Dark 23.77796 9.1544 41.8703 High carbon,Light 17.32529269230769 0.512134 44.1532 Low carbon,Dark 15.8199 15.8199 15.8199 Phloroglucinol 31.022233333333336 22.3888 40.709 Silicon starvation,12h 21.5337 21.5337 21.5337