condition mean min max 12pM Fe,Midday 89.9215 89.9215 89.9215 12pM Fe,Midnight 89.2228 86.2764 92.1692 58pM Fe,Midday 74.4149 74.4149 74.4149 58pM Fe,Midnight 70.03964285714287 0.0 93.0728 233pM Fe,Midnight 61.097699999999996 56.544 63.8998 1160pM Fe,Midday 71.8165 66.1711 81.3961 1160pM Fe,Midnight 37.67129166666667 23.4329 57.4904 High carbon,Dark 50.55001333333333 16.4051 102.886 High carbon,Light 38.34869153846154 6.46771 105.699 Low carbon,Dark 51.5096 51.5096 51.5096 Phloroglucinol 60.631 47.8523 74.0452 Silicon starvation,12h 66.6217 66.6217 66.6217