condition mean min max 12pM Fe,Midday 7.43955 7.43955 7.43955 12pM Fe,Midnight 7.669695 5.55034 9.78905 58pM Fe,Midday 5.58112 5.58112 5.58112 58pM Fe,Midnight 6.251492857142857 0.0 9.21099 233pM Fe,Midnight 5.590163333333333 4.71057 6.34536 1160pM Fe,Midday 7.555241428571429 6.59846 9.55873 1160pM Fe,Midnight 1.4175799166666667 0.37393 3.47338 High carbon,Dark 4.000405333333333 0.0 11.7321 High carbon,Light 3.0595844615384618 0.190424 8.3786 Low carbon,Dark 4.20487 4.20487 4.20487 Phloroglucinol 3.9821666666666666 3.47645 4.51764 Silicon starvation,12h 12.4226 12.4226 12.4226