condition mean min max 12pM Fe,Midday 38.459 38.459 38.459 12pM Fe,Midnight 30.34385 28.9334 31.7543 58pM Fe,Midday 25.9868 25.9868 25.9868 58pM Fe,Midnight 21.628514285714285 0.0 29.1311 233pM Fe,Midnight 17.4405 17.0496 17.7093 1160pM Fe,Midday 24.166642857142858 22.7271 26.7878 1160pM Fe,Midnight 11.516276666666666 9.19062 14.3271 High carbon,Dark 11.092855333333333 1.4777 23.9535 High carbon,Light 8.834155384615384 1.26294 20.3599 Low carbon,Dark 11.3626 11.3626 11.3626 Phloroglucinol 14.5518 10.0779 20.1677 Silicon starvation,12h 18.0361 18.0361 18.0361