condition mean min max 12pM Fe,Midday 54.2256 54.2256 54.2256 12pM Fe,Midnight 70.23985 68.1817 72.298 58pM Fe,Midday 91.7797 91.7797 91.7797 58pM Fe,Midnight 74.1045 52.7502 100.452 233pM Fe,Midnight 60.7446 59.5738 62.1543 1160pM Fe,Midday 49.18402857142857 40.1494 55.1184 1160pM Fe,Midnight 57.53370833333334 37.8477 78.4388 High carbon,Dark 45.275333333333336 11.1677 89.1316 High carbon,Light 35.49801153846154 2.29193 69.5721 Low carbon,Dark 47.4463 47.4463 47.4463 Phloroglucinol 36.52623333333333 26.8348 50.3953 Silicon starvation,12h 110.437 110.437 110.437