condition mean min max 12pM Fe,Midday 17.8325 17.8325 17.8325 12pM Fe,Midnight 21.36435 17.9424 24.7863 58pM Fe,Midday 14.4136 14.4136 14.4136 58pM Fe,Midnight 27.726599999999998 0.0 52.2315 233pM Fe,Midnight 34.868066666666664 33.1136 36.627 1160pM Fe,Midday 16.35907142857143 12.4052 29.597 1160pM Fe,Midnight 61.4653 47.3192 80.9676 High carbon,Dark 24.329676666666668 5.08972 54.1006 High carbon,Light 14.019232307692308 0.807558 29.7241 Low carbon,Dark 17.5535 17.5535 17.5535 Phloroglucinol 40.6502 34.9198 51.167 Silicon starvation,12h 18.6338 18.6338 18.6338