condition mean min max 12pM Fe,Midday 39.3036 39.3036 39.3036 12pM Fe,Midnight 37.7732 37.3429 38.2035 58pM Fe,Midday 28.9485 28.9485 28.9485 58pM Fe,Midnight 24.17192857142857 0.0 29.2099 233pM Fe,Midnight 16.895233333333334 16.6812 17.0366 1160pM Fe,Midday 32.443042857142856 30.7279 33.9739 1160pM Fe,Midnight 19.552541666666666 12.569 26.3919 High carbon,Dark 21.115487333333334 6.19201 33.7957 High carbon,Light 16.370953846153846 3.15526 33.0268 Low carbon,Dark 15.0595 15.0595 15.0595 Phloroglucinol 27.277966666666668 24.5715 30.2961 Silicon starvation,12h 153.171 153.171 153.171