condition mean min max 12pM Fe,Midday 64.2638 64.2638 64.2638 12pM Fe,Midnight 71.13335000000001 68.8504 73.4163 58pM Fe,Midday 60.7853 60.7853 60.7853 58pM Fe,Midnight 68.36105714285713 61.6643 75.0244 233pM Fe,Midnight 51.39683333333333 48.8933 53.1813 1160pM Fe,Midday 66.9157 56.7292 76.5167 1160pM Fe,Midnight 46.077725 35.8667 55.5442 High carbon,Dark 45.7553 24.8742 63.7076 High carbon,Light 38.5737 12.1761 55.1942 Low carbon,Dark 42.6965 42.6965 42.6965 Phloroglucinol 81.21463333333334 65.4625 98.9251 Silicon starvation,12h 67.7847 67.7847 67.7847