condition mean min max 12pM Fe,Midday 27.2546 27.2546 27.2546 12pM Fe,Midnight 27.99405 24.1474 31.8407 58pM Fe,Midday 19.5748 19.5748 19.5748 58pM Fe,Midnight 22.45012857142857 0.0 32.3777 233pM Fe,Midnight 29.098933333333335 28.3256 30.06 1160pM Fe,Midday 15.653042857142857 12.2915 28.333 1160pM Fe,Midnight 18.734825833333332 9.30211 36.568 High carbon,Dark 23.317181333333334 5.56234 41.0139 High carbon,Light 12.60087923076923 1.87541 25.7425 Low carbon,Dark 18.1177 18.1177 18.1177 Phloroglucinol 6.114136666666667 4.32506 8.19912 Silicon starvation,12h 28.0939 28.0939 28.0939