condition mean min max 12pM Fe,Midday 30.9161 30.9161 30.9161 12pM Fe,Midnight 26.353099999999998 23.8159 28.8903 58pM Fe,Midday 23.9268 23.9268 23.9268 58pM Fe,Midnight 19.338471428571427 0.0 24.1606 233pM Fe,Midnight 13.4064 12.4489 14.2215 1160pM Fe,Midday 20.931714285714285 18.9064 22.6012 1160pM Fe,Midnight 9.596569166666667 7.90668 11.3257 High carbon,Dark 12.658990666666666 5.30485 23.9778 High carbon,Light 8.70519823076923 0.741347 17.4182 Low carbon,Dark 10.0189 10.0189 10.0189 Phloroglucinol 31.045033333333333 23.2767 39.4259 Silicon starvation,12h 18.7931 18.7931 18.7931