condition mean min max 12pM Fe,Midday 71.8242 71.8242 71.8242 12pM Fe,Midnight 64.4525 60.9084 67.9966 58pM Fe,Midday 65.8993 65.8993 65.8993 58pM Fe,Midnight 67.63047142857143 59.8689 85.6796 233pM Fe,Midnight 28.423633333333335 25.3669 31.8239 1160pM Fe,Midday 53.77334285714286 49.8477 60.1812 1160pM Fe,Midnight 18.772933333333334 10.2773 32.1286 High carbon,Dark 27.296476666666667 9.55005 42.877 High carbon,Light 26.881453846153846 13.0541 45.6234 Low carbon,Dark 16.4493 16.4493 16.4493 Phloroglucinol 29.873566666666665 27.2757 33.4983 Silicon starvation,12h 29.2094 29.2094 29.2094