condition mean min max 12pM Fe,Midday 20.7711 20.7711 20.7711 12pM Fe,Midnight 22.226399999999998 21.3088 23.144 58pM Fe,Midday 22.3176 22.3176 22.3176 58pM Fe,Midnight 97.16777142857143 18.7832 527.417 233pM Fe,Midnight 23.496166666666667 21.2513 25.7518 1160pM Fe,Midday 17.4387 12.267 28.8119 1160pM Fe,Midnight 14.711675 9.5975 23.8232 High carbon,Dark 26.206839333333335 6.26339 47.1922 High carbon,Light 16.798695384615385 4.23804 41.3874 Low carbon,Dark 21.6979 21.6979 21.6979 Phloroglucinol 19.483266666666665 13.1319 25.1017 Silicon starvation,12h 32.9218 32.9218 32.9218