condition mean min max 12pM Fe,Midday 7.68363 7.68363 7.68363 12pM Fe,Midnight 8.68622 8.33951 9.03293 58pM Fe,Midday 4.43402 4.43402 4.43402 58pM Fe,Midnight 3.8366257142857143 0.0 5.85251 233pM Fe,Midnight 3.5012433333333335 3.03188 3.86567 1160pM Fe,Midday 3.5579757142857145 2.62708 4.51307 1160pM Fe,Midnight 1.2618900833333333 0.658767 1.71644 High carbon,Dark 3.396766 0.0 9.36118 High carbon,Light 1.565209 0.0 3.55015 Low carbon,Dark 5.42853 5.42853 5.42853 Phloroglucinol 5.10431 4.32631 5.91767 Silicon starvation,12h 9.187 9.187 9.187