condition mean min max 12pM Fe,Midday 12.4485 12.4485 12.4485 12pM Fe,Midnight 16.7176 14.8176 18.6176 58pM Fe,Midday 9.42245 9.42245 9.42245 58pM Fe,Midnight 19.5183 10.8864 53.3164 233pM Fe,Midnight 14.1882 13.4501 15.1546 1160pM Fe,Midday 7.763032857142857 5.82517 8.96368 1160pM Fe,Midnight 7.2464683333333335 4.51294 11.961 High carbon,Dark 10.53626 1.90169 15.4185 High carbon,Light 7.415456538461538 0.420785 11.2068 Low carbon,Dark 7.55514 7.55514 7.55514 Phloroglucinol 7.41595 4.55142 12.0575 Silicon starvation,12h 17.9203 17.9203 17.9203