condition mean min max 12pM Fe,Midday 45.7074 45.7074 45.7074 12pM Fe,Midnight 23.470149999999997 22.5981 24.3422 58pM Fe,Midday 31.8248 31.8248 31.8248 58pM Fe,Midnight 17.356957142857144 0.0 23.1157 233pM Fe,Midnight 17.2832 15.1733 19.7545 1160pM Fe,Midday 30.621257142857143 28.3991 32.9974 1160pM Fe,Midnight 11.749488333333334 9.62718 14.2738 High carbon,Dark 19.247782666666666 4.75038 35.6417 High carbon,Light 23.25979153846154 4.11716 35.8325 Low carbon,Dark 21.9166 21.9166 21.9166 Phloroglucinol 33.98193333333333 26.5285 48.4975 Silicon starvation,12h 35.5275 35.5275 35.5275