condition mean min max 12pM Fe,Midday 23.8911 23.8911 23.8911 12pM Fe,Midnight 12.87735 10.6083 15.1464 58pM Fe,Midday 15.2018 15.2018 15.2018 58pM Fe,Midnight 9.634732857142858 0.0 13.1408 233pM Fe,Midnight 11.4093 10.8781 11.8147 1160pM Fe,Midday 17.713757142857144 15.0548 19.4539 1160pM Fe,Midnight 6.277635 4.8464 9.32672 High carbon,Dark 11.0361766 0.425459 20.5549 High carbon,Light 8.74203 1.8964 22.418 Low carbon,Dark 12.6499 12.6499 12.6499 Phloroglucinol 9.349396666666667 7.40128 10.9733 Silicon starvation,12h 33.9068 33.9068 33.9068