condition mean min max 12pM Fe,Midday 50.1598 50.1598 50.1598 12pM Fe,Midnight 35.5403 33.6092 37.4714 58pM Fe,Midday 48.703 48.703 48.703 58pM Fe,Midnight 23.936028571428572 0.0 31.2225 233pM Fe,Midnight 22.93283333333333 20.3361 26.2942 1160pM Fe,Midday 34.05345714285714 30.2596 38.2421 1160pM Fe,Midnight 23.410783333333335 10.0969 32.3423 High carbon,Dark 28.760826666666667 16.5608 41.3023 High carbon,Light 31.151 16.4495 38.2599 Low carbon,Dark 28.4457 28.4457 28.4457 Phloroglucinol 45.63536666666667 37.7599 50.8669 Silicon starvation,12h 30.7421 30.7421 30.7421