condition mean min max 12pM Fe,Midday 26.7903 26.7903 26.7903 12pM Fe,Midnight 26.6523 24.8214 28.4832 58pM Fe,Midday 18.8205 18.8205 18.8205 58pM Fe,Midnight 14.235314285714285 0.0 18.6818 233pM Fe,Midnight 12.419366666666667 11.325 13.1851 1160pM Fe,Midday 15.092014285714285 12.7494 16.9816 1160pM Fe,Midnight 11.854976666666667 4.78477 19.5802 High carbon,Dark 9.77448 3.45174 16.7159 High carbon,Light 6.8879301538461535 0.764692 14.6678 Low carbon,Dark 10.0258 10.0258 10.0258 Phloroglucinol 16.1661 10.4795 21.9027 Silicon starvation,12h 28.8228 28.8228 28.8228