condition mean min max 12pM Fe,Midday 0.888858 0.888858 0.888858 12pM Fe,Midnight 8.255295 7.16393 9.34666 58pM Fe,Midday 0.393252 0.393252 0.393252 58pM Fe,Midnight 6.59384 0.0 9.67002 233pM Fe,Midnight 6.669866666666667 6.3365 6.91942 1160pM Fe,Midday 0.3838907142857143 0.0 0.878397 1160pM Fe,Midnight 12.6225 10.0257 15.9271 High carbon,Dark 8.1050104 0.895546 39.4459 High carbon,Light 4.075702692307693 0.0 9.74102 Low carbon,Dark 1.08327 1.08327 1.08327 Phloroglucinol 3.2717733333333334 2.11953 4.21465 Silicon starvation,12h 3.28726 3.28726 3.28726