condition mean min max 12pM Fe,Midday 20.5883 20.5883 20.5883 12pM Fe,Midnight 17.8066 14.2022 21.411 58pM Fe,Midday 16.3329 16.3329 16.3329 58pM Fe,Midnight 13.3132 0.0 19.6267 233pM Fe,Midnight 9.97141 7.64183 11.8824 1160pM Fe,Midday 13.877174285714286 9.81752 19.5952 1160pM Fe,Midnight 4.8824716666666665 3.28287 6.69117 High carbon,Dark 7.330058666666667 1.68781 19.356 High carbon,Light 6.472241769230769 0.835903 15.6023 Low carbon,Dark 9.22902 9.22902 9.22902 Phloroglucinol 8.615966666666667 6.00571 10.641 Silicon starvation,12h 31.3049 31.3049 31.3049