condition mean min max 12pM Fe,Midday 20.0477 20.0477 20.0477 12pM Fe,Midnight 17.26555 15.8206 18.7105 58pM Fe,Midday 12.281 12.281 12.281 58pM Fe,Midnight 13.612457142857144 0.0 17.4811 233pM Fe,Midnight 7.501883333333333 5.73577 9.2838 1160pM Fe,Midday 5.658857142857143 3.94919 8.24646 1160pM Fe,Midnight 2.579485 0.0 6.70825 High carbon,Dark 24.326512466666667 0.814727 57.4949 High carbon,Light 11.0132 1.2105 28.4742 Low carbon,Dark 20.0473 20.0473 20.0473 Phloroglucinol 8.918973333333334 6.82477 11.5572 Silicon starvation,12h 13.4539 13.4539 13.4539