condition mean min max 12pM Fe,Midday 38.3094 38.3094 38.3094 12pM Fe,Midnight 30.30355 28.2201 32.387 58pM Fe,Midday 17.7336 17.7336 17.7336 58pM Fe,Midnight 26.89427142857143 13.8609 63.0484 233pM Fe,Midnight 17.374533333333332 15.353 18.6904 1160pM Fe,Midday 12.58312857142857 8.413 15.5739 1160pM Fe,Midnight 38.85955833333333 15.337 54.5868 High carbon,Dark 53.9193 17.5872 162.102 High carbon,Light 40.30556923076923 16.7279 83.7436 Low carbon,Dark 22.7678 22.7678 22.7678 Phloroglucinol 226.13633333333334 168.805 268.325 Silicon starvation,12h 31.6861 31.6861 31.6861