condition mean min max 12pM Fe,Midday 21.5569 21.5569 21.5569 12pM Fe,Midnight 33.0304 32.2509 33.8099 58pM Fe,Midday 20.8434 20.8434 20.8434 58pM Fe,Midnight 31.156242857142857 28.52 38.412 233pM Fe,Midnight 22.7953 21.6543 24.1919 1160pM Fe,Midday 17.0746 15.0401 19.6481 1160pM Fe,Midnight 14.820458333333333 10.7011 21.3287 High carbon,Dark 12.698941333333334 2.89944 29.5031 High carbon,Light 5.332583846153846 1.02459 18.3009 Low carbon,Dark 11.6764 11.6764 11.6764 Phloroglucinol 9.792536666666667 7.24495 14.2082 Silicon starvation,12h 12.4804 12.4804 12.4804