condition mean min max 12pM Fe,Midday 12.9094 12.9094 12.9094 12pM Fe,Midnight 347.6275 311.34 383.915 58pM Fe,Midday 8.61721 8.61721 8.61721 58pM Fe,Midnight 315.76 240.16 440.487 233pM Fe,Midnight 366.282 363.621 368.832 1160pM Fe,Midday 19.241714285714284 14.5331 35.5119 1160pM Fe,Midnight 574.996 536.214 618.393 High carbon,Dark 75.3375 15.9516 185.451 High carbon,Light 10.587235923076923 0.995467 40.1633 Low carbon,Dark 19.8732 19.8732 19.8732 Phloroglucinol 13.015596666666667 7.87519 18.8247 Silicon starvation,12h 22.9371 22.9371 22.9371