condition mean min max 12pM Fe,Midday 45.1988 45.1988 45.1988 12pM Fe,Midnight 57.48935 55.2063 59.7724 58pM Fe,Midday 38.9525 38.9525 38.9525 58pM Fe,Midnight 43.73144285714286 0.0 54.5605 233pM Fe,Midnight 39.05213333333333 38.8293 39.3638 1160pM Fe,Midday 29.9807 26.3145 32.3103 1160pM Fe,Midnight 27.00155 20.1691 38.5286 High carbon,Dark 37.46154666666666 22.6075 53.3174 High carbon,Light 23.24377923076923 8.75113 38.7973 Low carbon,Dark 25.2472 25.2472 25.2472 Phloroglucinol 67.72523333333334 53.1327 89.4147 Silicon starvation,12h 36.9677 36.9677 36.9677