condition mean min max 12pM Fe,Midday 10.4481 10.4481 10.4481 12pM Fe,Midnight 7.710745 7.34989 8.0716 58pM Fe,Midday 9.24497 9.24497 9.24497 58pM Fe,Midnight 4.694517142857142 0.0 6.84782 233pM Fe,Midnight 4.300013333333333 3.14585 5.29241 1160pM Fe,Midday 9.901807142857143 8.48177 12.3409 1160pM Fe,Midnight 2.0164633333333333 1.2522 3.433 High carbon,Dark 3.9443263333333336 0.946261 9.17501 High carbon,Light 2.6061265384615386 0.0 9.01373 Low carbon,Dark 4.85079 4.85079 4.85079 Phloroglucinol 8.263433333333333 7.1183 10.0026 Silicon starvation,12h 18.5133 18.5133 18.5133