condition mean min max 12pM Fe,Midday 11.2652 11.2652 11.2652 12pM Fe,Midnight 9.19313 8.95483 9.43143 58pM Fe,Midday 10.1971 10.1971 10.1971 58pM Fe,Midnight 5.85981 0.0 7.93791 233pM Fe,Midnight 4.80161 4.35452 5.41804 1160pM Fe,Midday 7.110817142857143 6.01841 8.63694 1160pM Fe,Midnight 3.417448333333333 2.75821 4.24119 High carbon,Dark 3.9450613333333333 1.43658 8.52804 High carbon,Light 3.1680524615384615 0.4541 5.50164 Low carbon,Dark 3.05092 3.05092 3.05092 Phloroglucinol 12.6139 12.3331 12.8934 Silicon starvation,12h 4.08884 4.08884 4.08884