condition mean min max 12pM Fe,Midday 5.16955 5.16955 5.16955 12pM Fe,Midnight 26.4938 24.5766 28.411 58pM Fe,Midday 4.90099 4.90099 4.90099 58pM Fe,Midnight 27.223 0.0 34.5935 233pM Fe,Midnight 44.78933333333333 42.7725 46.2376 1160pM Fe,Midday 2.9399942857142856 1.45188 4.36482 1160pM Fe,Midnight 43.092416666666665 37.1829 53.5887 High carbon,Dark 45.683986 9.96609 114.122 High carbon,Light 20.973211538461538 9.13015 44.8812 Low carbon,Dark 13.8005 13.8005 13.8005 Phloroglucinol 10.290936666666667 7.47039 14.3458 Silicon starvation,12h 41.8087 41.8087 41.8087