condition mean min max 12pM Fe,Midday 18.9997 18.9997 18.9997 12pM Fe,Midnight 17.49335 17.463 17.5237 58pM Fe,Midday 15.7468 15.7468 15.7468 58pM Fe,Midnight 11.63182857142857 0.0 14.6572 233pM Fe,Midnight 8.489383333333333 8.00198 8.95327 1160pM Fe,Midday 11.998971428571428 11.106 13.5213 1160pM Fe,Midnight 10.056923333333334 5.1906 15.1729 High carbon,Dark 10.851921333333333 1.63511 19.2547 High carbon,Light 7.379126923076923 1.27351 14.5309 Low carbon,Dark 8.52171 8.52171 8.52171 Phloroglucinol 13.548933333333332 12.0659 15.4362 Silicon starvation,12h 15.6039 15.6039 15.6039