condition mean min max 12pM Fe,Midday 14.6555 14.6555 14.6555 12pM Fe,Midnight 8.17242 6.34284 10.002 58pM Fe,Midday 3.44459 3.44459 3.44459 58pM Fe,Midnight 2.6336642857142856 0.0 4.47406 233pM Fe,Midnight 2.96564 1.98732 3.91481 1160pM Fe,Midday 4.550591428571429 3.71791 5.1294 1160pM Fe,Midnight 1.828182 0.576334 3.65241 High carbon,Dark 16.024468666666667 5.7341 31.6716 High carbon,Light 15.610056923076923 2.79171 40.9313 Low carbon,Dark 3.34893 3.34893 3.34893 Phloroglucinol 25.8804 21.5712 29.9544 Silicon starvation,12h 133.807 133.807 133.807