condition mean min max 12pM Fe,Midday 106.12 106.12 106.12 12pM Fe,Midnight 48.0516 47.0 49.1032 58pM Fe,Midday 49.6387 49.6387 49.6387 58pM Fe,Midnight 30.28715714285714 0.0 50.1551 233pM Fe,Midnight 11.486433333333334 10.0641 13.0408 1160pM Fe,Midday 73.40608571428571 54.4709 101.833 1160pM Fe,Midnight 61.298008333333335 14.5739 93.0636 High carbon,Dark 52.09462 15.6595 126.237 High carbon,Light 64.17991538461538 24.2191 104.795 Low carbon,Dark 31.9054 31.9054 31.9054 Phloroglucinol 157.335 123.328 191.737 Silicon starvation,12h 269.179 269.179 269.179