condition mean min max 12pM Fe,Midday 17.9944 17.9944 17.9944 12pM Fe,Midnight 30.764200000000002 26.9804 34.548 58pM Fe,Midday 11.0231 11.0231 11.0231 58pM Fe,Midnight 43.04 0.0 63.505 233pM Fe,Midnight 16.118333333333332 10.5172 19.7352 1160pM Fe,Midday 8.378981428571429 6.38351 11.9735 1160pM Fe,Midnight 35.6507 15.3763 59.0227 High carbon,Dark 36.20863533333333 6.58153 69.6446 High carbon,Light 16.10942923076923 0.0 34.332 Low carbon,Dark 4.4985 4.4985 4.4985 Phloroglucinol 13.85319 6.07157 18.8609 Silicon starvation,12h 16.5387 16.5387 16.5387