condition mean min max 12pM Fe,Midday 30.5338 30.5338 30.5338 12pM Fe,Midnight 47.76465 46.8233 48.706 58pM Fe,Midday 29.6914 29.6914 29.6914 58pM Fe,Midnight 50.554742857142855 28.2666 63.0609 233pM Fe,Midnight 48.4154 47.4272 49.5869 1160pM Fe,Midday 12.366315714285713 9.59865 22.4737 1160pM Fe,Midnight 68.94403333333334 53.9363 86.9372 High carbon,Dark 30.980066666666666 16.1128 41.8992 High carbon,Light 15.605485384615385 3.45784 38.6589 Low carbon,Dark 14.4714 14.4714 14.4714 Phloroglucinol 10.905623333333333 8.39527 15.602 Silicon starvation,12h 23.1637 23.1637 23.1637