condition mean min max 12pM Fe,Midday 38.0719 38.0719 38.0719 12pM Fe,Midnight 42.4337 40.8502 44.0172 58pM Fe,Midday 37.4308 37.4308 37.4308 58pM Fe,Midnight 20.344942857142858 0.0 31.0079 233pM Fe,Midnight 19.137 17.6014 21.8282 1160pM Fe,Midday 38.2954 34.3246 42.9704 1160pM Fe,Midnight 14.936780833333334 5.37044 26.0815 High carbon,Dark 24.214473333333334 7.65356 47.7612 High carbon,Light 37.01049076923077 4.26922 84.1129 Low carbon,Dark 19.6398 19.6398 19.6398 Phloroglucinol 63.439566666666664 54.9085 69.5349 Silicon starvation,12h 76.6756 76.6756 76.6756