condition mean min max 12pM Fe,Midday 35.9665 35.9665 35.9665 12pM Fe,Midnight 27.05915 26.1497 27.9686 58pM Fe,Midday 26.8552 26.8552 26.8552 58pM Fe,Midnight 17.6284 0.0 22.5414 233pM Fe,Midnight 15.569866666666666 14.6351 16.7384 1160pM Fe,Midday 18.618557142857142 15.2073 21.9683 1160pM Fe,Midnight 11.677598333333334 6.35832 21.4365 High carbon,Dark 11.312553333333334 4.96436 17.3622 High carbon,Light 8.833324615384615 3.51134 18.0777 Low carbon,Dark 8.5999 8.5999 8.5999 Phloroglucinol 27.845066666666668 25.0927 31.6067 Silicon starvation,12h 15.7934 15.7934 15.7934