condition mean min max 12pM Fe,Midday 40.6368 40.6368 40.6368 12pM Fe,Midnight 23.7682 20.5315 27.0049 58pM Fe,Midday 23.4378 23.4378 23.4378 58pM Fe,Midnight 14.167714285714286 0.0 19.3136 233pM Fe,Midnight 11.478166666666667 10.4172 13.0542 1160pM Fe,Midday 20.015071428571428 16.2585 23.2567 1160pM Fe,Midnight 5.566294166666667 4.02731 6.8586 High carbon,Dark 13.978873333333333 5.88616 21.8848 High carbon,Light 13.971328461538462 3.46184 26.8485 Low carbon,Dark 9.89162 9.89162 9.89162 Phloroglucinol 13.78553 9.58769 19.3913 Silicon starvation,12h 24.338 24.338 24.338