condition mean min max 12pM Fe,Midday 29.6382 29.6382 29.6382 12pM Fe,Midnight 35.975899999999996 33.3013 38.6505 58pM Fe,Midday 23.5889 23.5889 23.5889 58pM Fe,Midnight 27.419742857142857 19.5989 55.746 233pM Fe,Midnight 17.347666666666665 16.1847 18.4578 1160pM Fe,Midday 20.53392857142857 17.4377 22.7873 1160pM Fe,Midnight 12.677928333333334 9.99854 19.1613 High carbon,Dark 18.757941333333335 6.46212 26.7006 High carbon,Light 16.025537692307694 4.98526 29.4732 Low carbon,Dark 9.17353 9.17353 9.17353 Phloroglucinol 22.966866666666668 18.3755 26.2727 Silicon starvation,12h 29.3545 29.3545 29.3545