condition mean min max 12pM Fe,Midday 53.6039 53.6039 53.6039 12pM Fe,Midnight 44.8977 43.358 46.4374 58pM Fe,Midday 41.6341 41.6341 41.6341 58pM Fe,Midnight 26.928014285714287 0.0 40.0459 233pM Fe,Midnight 19.111966666666667 17.8042 20.6757 1160pM Fe,Midday 26.456385714285712 22.0134 30.461 1160pM Fe,Midnight 13.288368333333333 4.8519 21.6834 High carbon,Dark 19.960728 4.86997 40.8055 High carbon,Light 12.080683846153846 1.10285 28.6384 Low carbon,Dark 11.6139 11.6139 11.6139 Phloroglucinol 39.55336666666666 30.6039 46.2592 Silicon starvation,12h 35.921 35.921 35.921