condition mean min max 12pM Fe,Midday 58.0856 58.0856 58.0856 12pM Fe,Midnight 45.41675 41.0152 49.8183 58pM Fe,Midday 66.353 66.353 66.353 58pM Fe,Midnight 36.40177142857143 31.8337 47.6874 233pM Fe,Midnight 29.7964 28.7094 30.6601 1160pM Fe,Midday 44.23432857142857 39.7069 47.5823 1160pM Fe,Midnight 17.344675 14.8068 20.1602 High carbon,Dark 34.50734666666666 18.9227 58.0171 High carbon,Light 28.450696153846152 7.63197 42.576 Low carbon,Dark 25.2861 25.2861 25.2861 Phloroglucinol 28.778266666666667 25.4702 34.9126 Silicon starvation,12h 41.5973 41.5973 41.5973