condition mean min max 12pM Fe,Midday 32.6777 32.6777 32.6777 12pM Fe,Midnight 30.7392 28.3662 33.1122 58pM Fe,Midday 21.9369 21.9369 21.9369 58pM Fe,Midnight 25.86177142857143 22.8944 35.0422 233pM Fe,Midnight 18.339533333333332 17.1891 20.1346 1160pM Fe,Midday 19.750885714285715 18.8868 20.7883 1160pM Fe,Midnight 12.82735 10.8749 16.1699 High carbon,Dark 13.607965333333333 6.5619 24.7012 High carbon,Light 9.661188461538462 2.33676 18.3649 Low carbon,Dark 10.6521 10.6521 10.6521 Phloroglucinol 16.440933333333334 12.4019 24.4125 Silicon starvation,12h 17.7233 17.7233 17.7233