condition mean min max 12pM Fe,Midday 44.0718 44.0718 44.0718 12pM Fe,Midnight 44.37465 39.1256 49.6237 58pM Fe,Midday 30.4365 30.4365 30.4365 58pM Fe,Midnight 39.98967142857143 0.0 68.7334 233pM Fe,Midnight 33.926033333333336 31.6487 35.4797 1160pM Fe,Midday 34.75515714285714 27.6649 44.2613 1160pM Fe,Midnight 35.12655 16.4788 59.4094 High carbon,Dark 34.80771466666667 6.81472 63.8856 High carbon,Light 23.876773076923076 1.89846 44.0491 Low carbon,Dark 26.2006 26.2006 26.2006 Phloroglucinol 16.492233333333335 10.5336 27.8291 Silicon starvation,12h 35.7784 35.7784 35.7784