condition mean min max 12pM Fe,Midday 33.7867 33.7867 33.7867 12pM Fe,Midnight 43.0343 42.1642 43.9044 58pM Fe,Midday 23.9168 23.9168 23.9168 58pM Fe,Midnight 34.9991 0.0 51.3293 233pM Fe,Midnight 38.4991 34.9071 42.0827 1160pM Fe,Midday 21.3144 10.3828 31.66 1160pM Fe,Midnight 11.844593333333334 0.0 23.7123 High carbon,Dark 42.268178666666664 0.0 128.569 High carbon,Light 15.198872307692307 2.65209 33.1312 Low carbon,Dark 139.085 139.085 139.085 Phloroglucinol 12.099783333333333 8.46865 17.0885 Silicon starvation,12h 73.0496 73.0496 73.0496