condition mean min max 12pM Fe,Midday 61.0132 61.0132 61.0132 12pM Fe,Midnight 45.779650000000004 40.6694 50.8899 58pM Fe,Midday 40.833 40.833 40.833 58pM Fe,Midnight 33.97808571428571 0.0 43.8526 233pM Fe,Midnight 30.106266666666667 26.8102 34.7102 1160pM Fe,Midday 33.16638571428572 22.853 36.6693 1160pM Fe,Midnight 29.571424999999998 23.5568 33.8634 High carbon,Dark 40.178693333333335 26.0584 75.2315 High carbon,Light 38.611761538461536 23.0742 58.7158 Low carbon,Dark 33.2158 33.2158 33.2158 Phloroglucinol 46.52483333333333 32.2162 63.302 Silicon starvation,12h 78.0638 78.0638 78.0638