condition mean min max 12pM Fe,Midday 44.6749 44.6749 44.6749 12pM Fe,Midnight 28.0811 28.0416 28.1206 58pM Fe,Midday 33.2888 33.2888 33.2888 58pM Fe,Midnight 17.946 0.0 25.5919 233pM Fe,Midnight 26.567333333333334 23.8208 28.0052 1160pM Fe,Midday 23.519885714285714 20.3492 26.4188 1160pM Fe,Midnight 14.1242075 6.11595 28.0968 High carbon,Dark 39.768366666666665 26.4383 88.9743 High carbon,Light 32.238722307692306 5.77219 60.5243 Low carbon,Dark 23.4023 23.4023 23.4023 Phloroglucinol 26.239900000000002 19.7066 35.0426 Silicon starvation,12h 45.6532 45.6532 45.6532