condition mean min max 12pM Fe,Midday 46.8704 46.8704 46.8704 12pM Fe,Midnight 51.311 42.976 59.646 58pM Fe,Midday 52.712 52.712 52.712 58pM Fe,Midnight 33.9145 0.0 43.1388 233pM Fe,Midnight 23.512166666666666 21.5218 25.2843 1160pM Fe,Midday 25.743214285714288 21.6647 30.9646 1160pM Fe,Midnight 25.517725 19.9735 31.7492 High carbon,Dark 27.943351333333332 1.13415 72.4568 High carbon,Light 17.762396923076924 1.82463 42.1599 Low carbon,Dark 35.1744 35.1744 35.1744 Phloroglucinol 7.98005 3.2509 14.0163 Silicon starvation,12h 4.58035 4.58035 4.58035