condition mean min max 12pM Fe,Midday 48.5561 48.5561 48.5561 12pM Fe,Midnight 47.723200000000006 44.0979 51.3485 58pM Fe,Midday 45.9075 45.9075 45.9075 58pM Fe,Midnight 33.23345714285714 0.0 43.0124 233pM Fe,Midnight 33.487233333333336 31.8522 34.7457 1160pM Fe,Midday 37.740657142857145 31.8583 43.7664 1160pM Fe,Midnight 19.428575 14.7877 30.385 High carbon,Dark 32.11722 16.316 50.4833 High carbon,Light 27.547900000000002 12.7265 51.026 Low carbon,Dark 32.4254 32.4254 32.4254 Phloroglucinol 34.84453333333333 24.4871 51.6612 Silicon starvation,12h 43.5219 43.5219 43.5219