condition mean min max 12pM Fe,Midday 13.9242 13.9242 13.9242 12pM Fe,Midnight 16.270400000000002 14.0547 18.4861 58pM Fe,Midday 7.97228 7.97228 7.97228 58pM Fe,Midnight 8.535988571428572 0.0 12.661 233pM Fe,Midnight 11.353186666666668 9.69176 12.4396 1160pM Fe,Midday 4.240428571428572 2.62099 6.76311 1160pM Fe,Midnight 2.1465438333333333 0.646774 4.15678 High carbon,Dark 7.7220385333333335 0.649088 18.6094 High carbon,Light 4.163256076923077 0.0 11.6492 Low carbon,Dark 5.98933 5.98933 5.98933 Phloroglucinol 0.9820986666666667 0.256626 1.39509 Silicon starvation,12h 22.1363 22.1363 22.1363