condition mean min max 12pM Fe,Midday 25.0194 25.0194 25.0194 12pM Fe,Midnight 15.0813 13.34 16.8226 58pM Fe,Midday 15.7495 15.7495 15.7495 58pM Fe,Midnight 7.122568571428571 0.0 10.7472 233pM Fe,Midnight 3.730566666666667 3.30336 4.0626 1160pM Fe,Midday 7.413035714285714 5.77851 9.33479 1160pM Fe,Midnight 3.8155041666666665 2.6707 5.10784 High carbon,Dark 4.751614 2.69299 10.4045 High carbon,Light 4.420495384615385 1.03271 9.12467 Low carbon,Dark 4.43174 4.43174 4.43174 Phloroglucinol 8.80065 7.85355 9.67138 Silicon starvation,12h 8.31655 8.31655 8.31655