condition mean min max 12pM Fe,Midday 25.1471 25.1471 25.1471 12pM Fe,Midnight 23.7169 22.5292 24.9046 58pM Fe,Midday 20.9991 20.9991 20.9991 58pM Fe,Midnight 15.6499 0.0 20.8662 233pM Fe,Midnight 15.6252 14.544 16.2032 1160pM Fe,Midday 17.091614285714286 14.2006 18.8336 1160pM Fe,Midnight 9.61333 7.05696 13.5077 High carbon,Dark 16.028463333333335 4.47902 25.5722 High carbon,Light 11.592197692307693 1.40994 28.6444 Low carbon,Dark 10.9676 10.9676 10.9676 Phloroglucinol 80.59166666666667 74.8325 89.4461 Silicon starvation,12h 22.1122 22.1122 22.1122