condition mean min max 12pM Fe,Midday 33.7687 33.7687 33.7687 12pM Fe,Midnight 26.18105 24.3761 27.986 58pM Fe,Midday 20.2716 20.2716 20.2716 58pM Fe,Midnight 16.373771428571427 0.0 20.5724 233pM Fe,Midnight 16.143733333333333 15.6695 16.7465 1160pM Fe,Midday 17.52707142857143 15.6573 19.7174 1160pM Fe,Midnight 17.095321666666667 5.19774 27.7602 High carbon,Dark 16.238966 1.88898 32.1935 High carbon,Light 8.973262307692307 1.4033 22.3124 Low carbon,Dark 17.8606 17.8606 17.8606 Phloroglucinol 6.450686666666667 4.9789 7.75909 Silicon starvation,12h 30.2139 30.2139 30.2139