condition mean min max 12pM Fe,Midday 25.9898 25.9898 25.9898 12pM Fe,Midnight 24.61145 23.9964 25.2265 58pM Fe,Midday 18.7809 18.7809 18.7809 58pM Fe,Midnight 17.21955714285714 0.0 25.4438 233pM Fe,Midnight 22.121 16.4554 26.0461 1160pM Fe,Midday 22.125214285714286 18.303 25.2068 1160pM Fe,Midnight 7.9437766666666665 4.17894 11.7259 High carbon,Dark 21.861712666666666 9.61149 39.3661 High carbon,Light 19.36119076923077 4.59016 32.3666 Low carbon,Dark 41.5286 41.5286 41.5286 Phloroglucinol 13.651833333333334 12.4858 15.0508 Silicon starvation,12h 55.9456 55.9456 55.9456