condition mean min max 12pM Fe,Midday 9.94277 9.94277 9.94277 12pM Fe,Midnight 28.38275 27.4547 29.3108 58pM Fe,Midday 7.28096 7.28096 7.28096 58pM Fe,Midnight 24.0429 0.0 46.7895 233pM Fe,Midnight 21.57443333333333 20.6234 22.8465 1160pM Fe,Midday 8.5718 6.14199 13.3269 1160pM Fe,Midnight 17.240483333333334 12.9422 25.4373 High carbon,Dark 19.479284666666665 5.15334 65.6522 High carbon,Light 16.509436153846153 1.66521 68.7752 Low carbon,Dark 7.79975 7.79975 7.79975 Phloroglucinol 7.05896 4.86974 8.72057 Silicon starvation,12h 6.69752 6.69752 6.69752