condition mean min max 12pM Fe,Midday 38.4766 38.4766 38.4766 12pM Fe,Midnight 29.56 27.3193 31.8007 58pM Fe,Midday 33.0604 33.0604 33.0604 58pM Fe,Midnight 26.59584285714286 20.5924 35.9945 233pM Fe,Midnight 32.790366666666664 32.4407 33.3294 1160pM Fe,Midday 14.922357142857143 12.9093 18.8785 1160pM Fe,Midnight 30.819950000000002 14.7342 49.3433 High carbon,Dark 49.43933333333333 19.5676 88.2225 High carbon,Light 37.024203846153846 6.39173 93.3489 Low carbon,Dark 21.3895 21.3895 21.3895 Phloroglucinol 34.619233333333334 24.0056 43.1154 Silicon starvation,12h 60.6639 60.6639 60.6639