condition mean min max 12pM Fe,Midday 37.851 37.851 37.851 12pM Fe,Midnight 18.2581 17.2361 19.2801 58pM Fe,Midday 42.378 42.378 42.378 58pM Fe,Midnight 12.537657142857142 0.0 16.8076 233pM Fe,Midnight 13.680466666666666 11.7862 15.6824 1160pM Fe,Midday 34.425357142857145 30.1179 39.6956 1160pM Fe,Midnight 9.0150525 6.83136 12.3537 High carbon,Dark 20.500715333333332 6.52213 31.2713 High carbon,Light 24.035436153846156 8.86787 36.4284 Low carbon,Dark 18.5147 18.5147 18.5147 Phloroglucinol 15.7487 11.1104 20.5251 Silicon starvation,12h 34.8312 34.8312 34.8312