condition mean min max 12pM Fe,Midday 50.1574 50.1574 50.1574 12pM Fe,Midnight 41.0557 40.6905 41.4209 58pM Fe,Midday 40.0539 40.0539 40.0539 58pM Fe,Midnight 39.95294285714286 33.6187 73.9846 233pM Fe,Midnight 31.666166666666665 31.2214 32.0222 1160pM Fe,Midday 30.44644285714286 27.117 33.124 1160pM Fe,Midnight 45.022016666666666 31.8627 53.28 High carbon,Dark 37.02156 25.7291 46.4572 High carbon,Light 38.878202307692305 5.92031 62.0583 Low carbon,Dark 23.6733 23.6733 23.6733 Phloroglucinol 54.44103333333333 51.8256 58.1579 Silicon starvation,12h 38.4849 38.4849 38.4849