condition mean min max 12pM Fe,Midday 46.496 46.496 46.496 12pM Fe,Midnight 53.1498 51.2945 55.0051 58pM Fe,Midday 31.5977 31.5977 31.5977 58pM Fe,Midnight 31.58292857142857 0.0 40.064 233pM Fe,Midnight 10.89869 9.60757 12.0016 1160pM Fe,Midday 19.215657142857143 15.4469 22.2816 1160pM Fe,Midnight 10.566165 7.34437 12.2997 High carbon,Dark 22.424496666666666 4.64195 51.2772 High carbon,Light 16.622872307692308 5.54854 36.7244 Low carbon,Dark 20.5902 20.5902 20.5902 Phloroglucinol 8.73109 7.01789 9.98848 Silicon starvation,12h 1.07249 1.07249 1.07249