condition mean min max 12pM Fe,Midday 37.9509 37.9509 37.9509 12pM Fe,Midnight 36.022999999999996 35.8265 36.2195 58pM Fe,Midday 24.1178 24.1178 24.1178 58pM Fe,Midnight 25.922585714285713 0.0 31.7416 233pM Fe,Midnight 21.908033333333332 21.1533 22.7043 1160pM Fe,Midday 14.074971428571429 11.7465 16.0243 1160pM Fe,Midnight 14.36695 10.0889 21.7766 High carbon,Dark 21.945778666666666 4.19998 35.0332 High carbon,Light 11.842790076923077 0.132761 20.6861 Low carbon,Dark 12.9182 12.9182 12.9182 Phloroglucinol 18.788066666666666 14.5889 24.244 Silicon starvation,12h 16.262 16.262 16.262