condition mean min max 12pM Fe,Midday 5.13042 5.13042 5.13042 12pM Fe,Midnight 10.742865 9.10163 12.3841 58pM Fe,Midday 4.53964 4.53964 4.53964 58pM Fe,Midnight 10.938871428571428 0.0 15.009 233pM Fe,Midnight 32.333866666666665 29.8833 33.6313 1160pM Fe,Midday 2.3175918571428573 0.965713 3.24593 1160pM Fe,Midnight 24.427341666666667 12.3739 31.9974 High carbon,Dark 28.950713333333333 8.6097 59.7162 High carbon,Light 24.982734615384615 3.38678 56.4983 Low carbon,Dark 17.6543 17.6543 17.6543 Phloroglucinol 5.596823333333333 3.62515 6.99704 Silicon starvation,12h 37.0891 37.0891 37.0891