condition mean min max 12pM Fe,Midday 32.6968 32.6968 32.6968 12pM Fe,Midnight 28.34355 26.4619 30.2252 58pM Fe,Midday 23.4668 23.4668 23.4668 58pM Fe,Midnight 18.46117142857143 0.0 25.45 233pM Fe,Midnight 18.843833333333333 16.5624 23.3038 1160pM Fe,Midday 20.58535714285714 17.4724 23.2991 1160pM Fe,Midnight 11.760864999999999 4.2984 25.2904 High carbon,Dark 17.887560666666666 4.44045 30.5671 High carbon,Light 10.864877692307692 2.13878 18.4062 Low carbon,Dark 14.1683 14.1683 14.1683 Phloroglucinol 11.78996 9.10608 13.8609 Silicon starvation,12h 27.6985 27.6985 27.6985