condition mean min max 12pM Fe,Midday 40.6746 40.6746 40.6746 12pM Fe,Midnight 92.2842 88.9097 95.6587 58pM Fe,Midday 45.6353 45.6353 45.6353 58pM Fe,Midnight 77.57127142857142 68.4681 94.505 233pM Fe,Midnight 160.78966666666668 153.347 167.269 1160pM Fe,Midday 18.46917142857143 15.826 23.4875 1160pM Fe,Midnight 67.713875 44.2736 106.949 High carbon,Dark 131.30822 33.2867 219.284 High carbon,Light 113.59291538461538 65.076 180.293 Low carbon,Dark 222.907 222.907 222.907 Phloroglucinol 33.4075 26.8918 39.8468 Silicon starvation,12h 198.905 198.905 198.905