condition mean min max 12pM Fe,Midday 13.477 13.477 13.477 12pM Fe,Midnight 21.569499999999998 18.6118 24.5272 58pM Fe,Midday 7.10918 7.10918 7.10918 58pM Fe,Midnight 17.64377142857143 0.0 30.8428 233pM Fe,Midnight 20.471799999999998 19.7612 21.3054 1160pM Fe,Midday 6.003464285714285 4.59539 8.36667 1160pM Fe,Midnight 9.777485 3.27446 24.2391 High carbon,Dark 28.552301333333332 3.28618 118.713 High carbon,Light 17.66414 1.75536 69.5854 Low carbon,Dark 8.42293 8.42293 8.42293 Phloroglucinol 6.864673333333333 5.03454 9.00531 Silicon starvation,12h 13.5664 13.5664 13.5664