condition mean min max 12pM Fe,Midday 23.0636 23.0636 23.0636 12pM Fe,Midnight 18.237 17.6806 18.7934 58pM Fe,Midday 16.2096 16.2096 16.2096 58pM Fe,Midnight 24.66502857142857 18.8155 46.8503 233pM Fe,Midnight 21.337566666666667 20.8473 22.3034 1160pM Fe,Midday 11.558228571428572 10.8821 12.6768 1160pM Fe,Midnight 12.224056666666666 3.25027 27.1331 High carbon,Dark 14.235710666666666 3.55099 25.7083 High carbon,Light 8.293224615384615 1.66389 17.5602 Low carbon,Dark 10.7079 10.7079 10.7079 Phloroglucinol 6.474506666666667 4.83265 7.90153 Silicon starvation,12h 19.4213 19.4213 19.4213