condition mean min max 12pM Fe,Midday 20.3637 20.3637 20.3637 12pM Fe,Midnight 52.8952 52.2707 53.5197 58pM Fe,Midday 19.6458 19.6458 19.6458 58pM Fe,Midnight 48.02231428571429 24.2107 52.7424 233pM Fe,Midnight 51.6259 49.8936 53.0266 1160pM Fe,Midday 13.731657142857143 11.7141 14.8661 1160pM Fe,Midnight 61.178783333333335 34.4726 89.425 High carbon,Dark 41.208781333333334 8.74342 61.2561 High carbon,Light 31.972304615384616 1.05092 80.9114 Low carbon,Dark 23.3513 23.3513 23.3513 Phloroglucinol 10.688123333333333 5.55447 13.9202 Silicon starvation,12h 26.5438 26.5438 26.5438