condition mean min max 12pM Fe,Midday 52.1156 52.1156 52.1156 12pM Fe,Midnight 37.625249999999994 36.8135 38.437 58pM Fe,Midday 41.0963 41.0963 41.0963 58pM Fe,Midnight 17.939842857142857 0.0 23.723 233pM Fe,Midnight 24.468533333333333 23.3404 26.184 1160pM Fe,Midday 29.709714285714284 28.9958 30.9207 1160pM Fe,Midnight 7.223315833333333 3.80115 10.8932 High carbon,Dark 18.105496666666667 5.43653 40.5706 High carbon,Light 9.533155384615384 1.95715 20.0672 Low carbon,Dark 10.4864 10.4864 10.4864 Phloroglucinol 12.31185 8.33275 15.1885 Silicon starvation,12h 18.5257 18.5257 18.5257