condition mean min max 12pM Fe,Midday 14.5146 14.5146 14.5146 12pM Fe,Midnight 12.942 11.8765 14.0075 58pM Fe,Midday 11.2768 11.2768 11.2768 58pM Fe,Midnight 8.902225714285715 0.0 12.7002 233pM Fe,Midnight 7.68074 6.85701 8.99635 1160pM Fe,Midday 10.27981 8.25206 11.7022 1160pM Fe,Midnight 4.704465833333334 4.01492 5.80355 High carbon,Dark 10.194754 3.30282 23.7912 High carbon,Light 9.205393846153846 1.09672 20.8702 Low carbon,Dark 6.24621 6.24621 6.24621 Phloroglucinol 7.47056 4.93986 9.72815 Silicon starvation,12h 8.34247 8.34247 8.34247