condition mean min max 12pM Fe,Midday 19.0849 19.0849 19.0849 12pM Fe,Midnight 19.88035 19.1512 20.6095 58pM Fe,Midday 12.4432 12.4432 12.4432 58pM Fe,Midnight 17.0349 0.0 30.9249 233pM Fe,Midnight 14.857166666666668 13.7802 15.8473 1160pM Fe,Midday 19.9112 14.1187 28.4559 1160pM Fe,Midnight 12.43815 8.7719 17.3274 High carbon,Dark 13.86167 5.30673 21.6597 High carbon,Light 10.735325384615384 2.36538 18.0536 Low carbon,Dark 8.16113 8.16113 8.16113 Phloroglucinol 2.5000166666666668 1.04904 4.33419 Silicon starvation,12h 17.7169 17.7169 17.7169