condition mean min max 12pM Fe,Midday 23.6854 23.6854 23.6854 12pM Fe,Midnight 28.813450000000003 28.5435 29.0834 58pM Fe,Midday 22.978 22.978 22.978 58pM Fe,Midnight 21.855314285714286 0.0 30.9494 233pM Fe,Midnight 24.458099999999998 24.235 24.7916 1160pM Fe,Midday 24.714057142857143 21.8588 27.5898 1160pM Fe,Midnight 11.74249 5.91291 21.5366 High carbon,Dark 17.703898666666667 7.65727 37.1289 High carbon,Light 9.777710769230769 1.2563 16.2013 Low carbon,Dark 15.7661 15.7661 15.7661 Phloroglucinol 12.352846666666666 9.34324 17.2062 Silicon starvation,12h 18.3878 18.3878 18.3878