condition mean min max 12pM Fe,Midday 69.9708 69.9708 69.9708 12pM Fe,Midnight 63.970600000000005 62.7721 65.1691 58pM Fe,Midday 50.9204 50.9204 50.9204 58pM Fe,Midnight 54.90615714285715 47.4676 83.3289 233pM Fe,Midnight 58.5665 54.5973 61.7436 1160pM Fe,Midday 50.59937142857143 48.5722 52.5844 1160pM Fe,Midnight 33.8361 24.9608 38.7475 High carbon,Dark 36.999093333333334 20.5082 56.0207 High carbon,Light 28.495762307692306 5.93396 70.4903 Low carbon,Dark 38.8522 38.8522 38.8522 Phloroglucinol 58.807566666666666 46.0488 69.3907 Silicon starvation,12h 44.8793 44.8793 44.8793