condition mean min max 12pM Fe,Midday 35.9119 35.9119 35.9119 12pM Fe,Midnight 30.638 24.8979 36.3781 58pM Fe,Midday 27.1799 27.1799 27.1799 58pM Fe,Midnight 17.189514285714285 0.0 22.9259 233pM Fe,Midnight 20.995866666666664 20.8176 21.3085 1160pM Fe,Midday 23.913085714285714 20.3552 26.5863 1160pM Fe,Midnight 13.553553333333333 7.35968 19.9741 High carbon,Dark 16.931989333333334 3.23229 35.7012 High carbon,Light 10.91022923076923 1.93551 29.6185 Low carbon,Dark 14.6806 14.6806 14.6806 Phloroglucinol 25.215133333333334 24.2017 27.1308 Silicon starvation,12h 38.8093 38.8093 38.8093