condition mean min max 12pM Fe,Midday 19.9978 19.9978 19.9978 12pM Fe,Midnight 17.66005 14.8046 20.5155 58pM Fe,Midday 13.7961 13.7961 13.7961 58pM Fe,Midnight 10.902871428571428 0.0 18.4456 233pM Fe,Midnight 10.507263333333333 7.94069 13.0269 1160pM Fe,Midday 11.338302857142857 9.06242 14.3091 1160pM Fe,Midnight 5.8950625 4.17956 7.5763 High carbon,Dark 9.797728 3.22324 25.413 High carbon,Light 6.888570769230769 1.19725 12.9116 Low carbon,Dark 14.3201 14.3201 14.3201 Phloroglucinol 8.672703333333335 7.43372 11.0843 Silicon starvation,12h 25.4561 25.4561 25.4561