condition mean min max 12pM Fe,Midday 189.01 189.01 189.01 12pM Fe,Midnight 104.14665 98.2813 110.012 58pM Fe,Midday 156.846 156.846 156.846 58pM Fe,Midnight 97.19451428571429 67.3646 174.068 233pM Fe,Midnight 38.370533333333334 36.7283 40.5579 1160pM Fe,Midday 70.80984285714285 66.133 74.7315 1160pM Fe,Midnight 65.006625 28.7199 98.6587 High carbon,Dark 76.35302 13.9695 154.911 High carbon,Light 78.41686153846155 22.1176 227.362 Low carbon,Dark 114.578 114.578 114.578 Phloroglucinol 32.22996666666667 18.3484 45.817 Silicon starvation,12h 115.063 115.063 115.063