condition mean min max 12pM Fe,Midday 32.9153 32.9153 32.9153 12pM Fe,Midnight 26.33865 26.3313 26.346 58pM Fe,Midday 32.9657 32.9657 32.9657 58pM Fe,Midnight 19.58012857142857 0.0 28.2682 233pM Fe,Midnight 19.9859 18.6103 21.2993 1160pM Fe,Midday 22.76922857142857 19.5457 29.3109 1160pM Fe,Midnight 6.571174166666667 1.5843 13.6613 High carbon,Dark 21.601339333333332 9.46409 38.116 High carbon,Light 11.68040923076923 1.22911 35.3152 Low carbon,Dark 19.9839 19.9839 19.9839 Phloroglucinol 4.357793333333333 3.85313 5.03092 Silicon starvation,12h 23.0496 23.0496 23.0496