condition mean min max 12pM Fe,Midday 41.378 41.378 41.378 12pM Fe,Midnight 24.6507 24.4968 24.8046 58pM Fe,Midday 43.8917 43.8917 43.8917 58pM Fe,Midnight 25.22027142857143 20.7226 44.3051 233pM Fe,Midnight 23.864066666666666 22.9642 24.9547 1160pM Fe,Midday 14.35897142857143 13.5598 15.1904 1160pM Fe,Midnight 31.309808333333333 11.6224 60.9166 High carbon,Dark 51.92688666666667 20.5981 85.2965 High carbon,Light 68.14908615384616 1.68826 178.443 Low carbon,Dark 23.6952 23.6952 23.6952 Phloroglucinol 44.84243333333333 36.5609 53.9192 Silicon starvation,12h 55.9495 55.9495 55.9495