condition mean min max 12pM Fe,Midday 163.186 163.186 163.186 12pM Fe,Midnight 105.4927 99.9204 111.065 58pM Fe,Midday 108.863 108.863 108.863 58pM Fe,Midnight 72.01162857142857 0.0 97.6408 233pM Fe,Midnight 47.528333333333336 44.9008 50.5476 1160pM Fe,Midday 80.4568 68.1086 96.3724 1160pM Fe,Midnight 40.680641666666666 20.4409 63.4173 High carbon,Dark 43.52268 10.4427 67.1428 High carbon,Light 51.073982307692305 3.0179 129.468 Low carbon,Dark 36.0966 36.0966 36.0966 Phloroglucinol 86.0627 81.9123 92.5519 Silicon starvation,12h 89.4449 89.4449 89.4449