condition mean min max 12pM Fe,Midday 46.9764 46.9764 46.9764 12pM Fe,Midnight 155.8485 153.046 158.651 58pM Fe,Midday 33.8421 33.8421 33.8421 58pM Fe,Midnight 342.08185714285713 207.499 876.478 233pM Fe,Midnight 495.0433333333333 490.652 502.78 1160pM Fe,Midday 16.874737142857143 8.49982 56.9681 1160pM Fe,Midnight 511.47866666666664 342.548 819.644 High carbon,Dark 139.74838 34.1165 296.182 High carbon,Light 18.521011538461536 5.24851 32.3054 Low carbon,Dark 104.032 104.032 104.032 Phloroglucinol 10.636166666666666 10.1963 11.462 Silicon starvation,12h 35.2433 35.2433 35.2433