condition mean min max 12pM Fe,Midday 58.3214 58.3214 58.3214 12pM Fe,Midnight 77.70315 76.0768 79.3295 58pM Fe,Midday 49.2132 49.2132 49.2132 58pM Fe,Midnight 62.17422857142857 53.8529 68.6505 233pM Fe,Midnight 49.847566666666665 47.1448 53.4354 1160pM Fe,Midday 37.25944285714286 33.8337 41.834 1160pM Fe,Midnight 36.25383333333333 30.7485 40.1796 High carbon,Dark 64.89049333333334 25.4045 102.232 High carbon,Light 39.79367692307692 16.1441 61.5673 Low carbon,Dark 50.8369 50.8369 50.8369 Phloroglucinol 36.7305 28.1958 51.8389 Silicon starvation,12h 28.8978 28.8978 28.8978