condition mean min max 12pM Fe,Midday 6.02356 6.02356 6.02356 12pM Fe,Midnight 10.158155 9.60521 10.7111 58pM Fe,Midday 10.6599 10.6599 10.6599 58pM Fe,Midnight 27.78842571428571 6.55611 142.753 233pM Fe,Midnight 4.018526666666666 3.5012 4.32253 1160pM Fe,Midday 6.060812857142857 3.21252 8.02127 1160pM Fe,Midnight 2.5029558333333335 1.58549 4.65821 High carbon,Dark 9.8436904 0.0 20.1112 High carbon,Light 6.239456230769231 0.0 12.0238 Low carbon,Dark 9.13553 9.13553 9.13553 Phloroglucinol 1.275058 0.547181 2.51635 Silicon starvation,12h 1.37089 1.37089 1.37089