condition mean min max 12pM Fe,Midday 37.7733 37.7733 37.7733 12pM Fe,Midnight 37.78275 35.8455 39.72 58pM Fe,Midday 36.4526 36.4526 36.4526 58pM Fe,Midnight 47.70731428571429 36.6272 83.9244 233pM Fe,Midnight 25.578233333333333 23.992 28.3759 1160pM Fe,Midday 23.907685714285716 20.0417 27.841 1160pM Fe,Midnight 21.373125 12.1511 28.9447 High carbon,Dark 41.49815606666667 0.935441 71.6073 High carbon,Light 25.033157692307693 7.08825 54.1321 Low carbon,Dark 38.9381 38.9381 38.9381 Phloroglucinol 24.46183333333333 19.3287 32.0883 Silicon starvation,12h 38.0137 38.0137 38.0137