condition mean min max 12pM Fe,Midday 47.9042 47.9042 47.9042 12pM Fe,Midnight 46.57785 41.5704 51.5853 58pM Fe,Midday 32.9839 32.9839 32.9839 58pM Fe,Midnight 27.76427142857143 0.0 35.8672 233pM Fe,Midnight 40.06993333333333 39.6269 40.476 1160pM Fe,Midday 29.70012857142857 26.2007 34.2306 1160pM Fe,Midnight 18.799908333333335 14.5296 24.0353 High carbon,Dark 44.6585 28.8048 62.3482 High carbon,Light 39.74023076923077 15.1281 66.366 Low carbon,Dark 32.2196 32.2196 32.2196 Phloroglucinol 53.6967 44.1252 64.0855 Silicon starvation,12h 62.4541 62.4541 62.4541