condition mean min max 12pM Fe,Midday 16.7289 16.7289 16.7289 12pM Fe,Midnight 24.2914 23.1919 25.3909 58pM Fe,Midday 31.6054 31.6054 31.6054 58pM Fe,Midnight 16.15292857142857 0.0 24.8043 233pM Fe,Midnight 27.029966666666667 24.3339 30.4101 1160pM Fe,Midday 7.949992857142857 5.98128 9.82988 1160pM Fe,Midnight 32.046925 19.3791 39.6075 High carbon,Dark 29.752444666666666 9.54367 65.2108 High carbon,Light 25.078914615384615 6.34249 37.9056 Low carbon,Dark 14.694 14.694 14.694 Phloroglucinol 18.3999 14.4778 23.4395 Silicon starvation,12h 36.7868 36.7868 36.7868